Home / 1,512.74-2,088.41-1,114.07

Finding the Fourth Proportional to 1,512.74, 2,088.41 and 1,114.07

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Solution

The fourth proportional to 1,512.74, 2,088.41 and 1,114.07 is: 1,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.74 : 2,088.41 = 1,114.07 : x
  2. Step 2: Convert to fraction form
    1,512.74/2,088.41 = 1,114.07/x
  3. Step 3: Cross multiply
    1,512.74x = 2,088.41 × 1,114.07
  4. Step 4: Simplify right side
    1,512.74x = 2,326,618.92
  5. Step 5: Solve for x
    x = 2,326,618.92/1,512.74
  6. Step 6: Final answer
    x = 1,538.02

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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.