Home / 1,663.15-2,294.64-1,264.70

Finding the Fourth Proportional to 1,663.15, 2,294.64 and 1,264.70

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Solution

The fourth proportional to 1,663.15, 2,294.64 and 1,264.70 is: 1,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.15 : 2,294.64 = 1,264.70 : x
  2. Step 2: Convert to fraction form
    1,663.15/2,294.64 = 1,264.70/x
  3. Step 3: Cross multiply
    1,663.15x = 2,294.64 × 1,264.70
  4. Step 4: Simplify right side
    1,663.15x = 2,902,035.50
  5. Step 5: Solve for x
    x = 2,902,035.50/1,663.15
  6. Step 6: Final answer
    x = 1,744.91

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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.