Home / 3,642.21-5,463.38-1,045.16

Finding the Fourth Proportional to 3,642.21, 5,463.38 and 1,045.16

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Solution

The fourth proportional to 3,642.21, 5,463.38 and 1,045.16 is: 1,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.21 : 5,463.38 = 1,045.16 : x
  2. Step 2: Convert to fraction form
    3,642.21/5,463.38 = 1,045.16/x
  3. Step 3: Cross multiply
    3,642.21x = 5,463.38 × 1,045.16
  4. Step 4: Simplify right side
    3,642.21x = 5,710,073.70
  5. Step 5: Solve for x
    x = 5,710,073.70/3,642.21
  6. Step 6: Final answer
    x = 1,567.75

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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.