Home / 1,512.76-2,087.53-1,015.33

Finding the Fourth Proportional to 1,512.76, 2,087.53 and 1,015.33

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Solution

The fourth proportional to 1,512.76, 2,087.53 and 1,015.33 is: 1,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.76 : 2,087.53 = 1,015.33 : x
  2. Step 2: Convert to fraction form
    1,512.76/2,087.53 = 1,015.33/x
  3. Step 3: Cross multiply
    1,512.76x = 2,087.53 × 1,015.33
  4. Step 4: Simplify right side
    1,512.76x = 2,119,524.08
  5. Step 5: Solve for x
    x = 2,119,524.08/1,512.76
  6. Step 6: Final answer
    x = 1,401.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,513.76, 2,088.91 and 1,016.33
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.