Home / 1,509.35-2,265.17-1,217.59

Finding the Fourth Proportional to 1,509.35, 2,265.17 and 1,217.59

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Solution

The fourth proportional to 1,509.35, 2,265.17 and 1,217.59 is: 1,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.35 : 2,265.17 = 1,217.59 : x
  2. Step 2: Convert to fraction form
    1,509.35/2,265.17 = 1,217.59/x
  3. Step 3: Cross multiply
    1,509.35x = 2,265.17 × 1,217.59
  4. Step 4: Simplify right side
    1,509.35x = 2,758,036.59
  5. Step 5: Solve for x
    x = 2,758,036.59/1,509.35
  6. Step 6: Final answer
    x = 1,827.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.