Home / 2,428.66-3,641.02-966.40

Finding the Fourth Proportional to 2,428.66, 3,641.02 and 966.40

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Solution

The fourth proportional to 2,428.66, 3,641.02 and 966.40 is: 1,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.66 : 3,641.02 = 966.40 : x
  2. Step 2: Convert to fraction form
    2,428.66/3,641.02 = 966.40/x
  3. Step 3: Cross multiply
    2,428.66x = 3,641.02 × 966.40
  4. Step 4: Simplify right side
    2,428.66x = 3,518,681.73
  5. Step 5: Solve for x
    x = 3,518,681.73/2,428.66
  6. Step 6: Final answer
    x = 1,448.82

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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.