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Finding the Fourth Proportional to 1,664.04, 2,484.48 and 1,565.76

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Solution

The fourth proportional to 1,664.04, 2,484.48 and 1,565.76 is: 2,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.04 : 2,484.48 = 1,565.76 : x
  2. Step 2: Convert to fraction form
    1,664.04/2,484.48 = 1,565.76/x
  3. Step 3: Cross multiply
    1,664.04x = 2,484.48 × 1,565.76
  4. Step 4: Simplify right side
    1,664.04x = 3,890,099.40
  5. Step 5: Solve for x
    x = 3,890,099.40/1,664.04
  6. Step 6: Final answer
    x = 2,337.74

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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.