Home / 1,309.53-1,963.08-1,237.04

Finding the Fourth Proportional to 1,309.53, 1,963.08 and 1,237.04

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Solution

The fourth proportional to 1,309.53, 1,963.08 and 1,237.04 is: 1,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309.53 : 1,963.08 = 1,237.04 : x
  2. Step 2: Convert to fraction form
    1,309.53/1,963.08 = 1,237.04/x
  3. Step 3: Cross multiply
    1,309.53x = 1,963.08 × 1,237.04
  4. Step 4: Simplify right side
    1,309.53x = 2,428,398.67
  5. Step 5: Solve for x
    x = 2,428,398.67/1,309.53
  6. Step 6: Final answer
    x = 1,854.40

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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.