Home / 3,124.04-4,681.80-2,431.52

Finding the Fourth Proportional to 3,124.04, 4,681.80 and 2,431.52

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Solution

The fourth proportional to 3,124.04, 4,681.80 and 2,431.52 is: 3,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.04 : 4,681.80 = 2,431.52 : x
  2. Step 2: Convert to fraction form
    3,124.04/4,681.80 = 2,431.52/x
  3. Step 3: Cross multiply
    3,124.04x = 4,681.80 × 2,431.52
  4. Step 4: Simplify right side
    3,124.04x = 11,383,890.34
  5. Step 5: Solve for x
    x = 11,383,890.34/3,124.04
  6. Step 6: Final answer
    x = 3,643.96

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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.