Home / 2,742.61-4,108.01-1,569.31

Finding the Fourth Proportional to 2,742.61, 4,108.01 and 1,569.31

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Solution

The fourth proportional to 2,742.61, 4,108.01 and 1,569.31 is: 2,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.61 : 4,108.01 = 1,569.31 : x
  2. Step 2: Convert to fraction form
    2,742.61/4,108.01 = 1,569.31/x
  3. Step 3: Cross multiply
    2,742.61x = 4,108.01 × 1,569.31
  4. Step 4: Simplify right side
    2,742.61x = 6,446,743.60
  5. Step 5: Solve for x
    x = 6,446,743.60/2,742.61
  6. Step 6: Final answer
    x = 2,350.59

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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.