Home / 1,663.32-2,294.46-1,166.70

Finding the Fourth Proportional to 1,663.32, 2,294.46 and 1,166.70

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Solution

The fourth proportional to 1,663.32, 2,294.46 and 1,166.70 is: 1,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.32 : 2,294.46 = 1,166.70 : x
  2. Step 2: Convert to fraction form
    1,663.32/2,294.46 = 1,166.70/x
  3. Step 3: Cross multiply
    1,663.32x = 2,294.46 × 1,166.70
  4. Step 4: Simplify right side
    1,663.32x = 2,676,946.48
  5. Step 5: Solve for x
    x = 2,676,946.48/1,663.32
  6. Step 6: Final answer
    x = 1,609.40

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1.5x scale

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.