Home / 1,317.56-1,966.32-1,301.24

Finding the Fourth Proportional to 1,317.56, 1,966.32 and 1,301.24

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Solution

The fourth proportional to 1,317.56, 1,966.32 and 1,301.24 is: 1,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.56 : 1,966.32 = 1,301.24 : x
  2. Step 2: Convert to fraction form
    1,317.56/1,966.32 = 1,301.24/x
  3. Step 3: Cross multiply
    1,317.56x = 1,966.32 × 1,301.24
  4. Step 4: Simplify right side
    1,317.56x = 2,558,654.24
  5. Step 5: Solve for x
    x = 2,558,654.24/1,317.56
  6. Step 6: Final answer
    x = 1,941.96

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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.