Home / 2,445.81-3,666.30-1,565.81

Finding the Fourth Proportional to 2,445.81, 3,666.30 and 1,565.81

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Solution

The fourth proportional to 2,445.81, 3,666.30 and 1,565.81 is: 2,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.81 : 3,666.30 = 1,565.81 : x
  2. Step 2: Convert to fraction form
    2,445.81/3,666.30 = 1,565.81/x
  3. Step 3: Cross multiply
    2,445.81x = 3,666.30 × 1,565.81
  4. Step 4: Simplify right side
    2,445.81x = 5,740,731.96
  5. Step 5: Solve for x
    x = 5,740,731.96/2,445.81
  6. Step 6: Final answer
    x = 2,347.17

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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.