Home / 1,535.72-2,293.17-1,207.40

Finding the Fourth Proportional to 1,535.72, 2,293.17 and 1,207.40

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Solution

The fourth proportional to 1,535.72, 2,293.17 and 1,207.40 is: 1,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.72 : 2,293.17 = 1,207.40 : x
  2. Step 2: Convert to fraction form
    1,535.72/2,293.17 = 1,207.40/x
  3. Step 3: Cross multiply
    1,535.72x = 2,293.17 × 1,207.40
  4. Step 4: Simplify right side
    1,535.72x = 2,768,773.46
  5. Step 5: Solve for x
    x = 2,768,773.46/1,535.72
  6. Step 6: Final answer
    x = 1,802.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.