Home / 3,557.18-4,909.24-1,964.12

Finding the Fourth Proportional to 3,557.18, 4,909.24 and 1,964.12

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Solution

The fourth proportional to 3,557.18, 4,909.24 and 1,964.12 is: 2,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.18 : 4,909.24 = 1,964.12 : x
  2. Step 2: Convert to fraction form
    3,557.18/4,909.24 = 1,964.12/x
  3. Step 3: Cross multiply
    3,557.18x = 4,909.24 × 1,964.12
  4. Step 4: Simplify right side
    3,557.18x = 9,642,302.10
  5. Step 5: Solve for x
    x = 9,642,302.10/3,557.18
  6. Step 6: Final answer
    x = 2,710.66

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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.