Home / 1,574.16-2,173.80-1,015.59

Finding the Fourth Proportional to 1,574.16, 2,173.80 and 1,015.59

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Solution

The fourth proportional to 1,574.16, 2,173.80 and 1,015.59 is: 1,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.16 : 2,173.80 = 1,015.59 : x
  2. Step 2: Convert to fraction form
    1,574.16/2,173.80 = 1,015.59/x
  3. Step 3: Cross multiply
    1,574.16x = 2,173.80 × 1,015.59
  4. Step 4: Simplify right side
    1,574.16x = 2,207,677.42
  5. Step 5: Solve for x
    x = 2,207,677.42/1,574.16
  6. Step 6: Final answer
    x = 1,402.45

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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.