Home / 3,521.13-5,281.76-924.13

Finding the Fourth Proportional to 3,521.13, 5,281.76 and 924.13

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Solution

The fourth proportional to 3,521.13, 5,281.76 and 924.13 is: 1,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.13 : 5,281.76 = 924.13 : x
  2. Step 2: Convert to fraction form
    3,521.13/5,281.76 = 924.13/x
  3. Step 3: Cross multiply
    3,521.13x = 5,281.76 × 924.13
  4. Step 4: Simplify right side
    3,521.13x = 4,881,032.87
  5. Step 5: Solve for x
    x = 4,881,032.87/3,521.13
  6. Step 6: Final answer
    x = 1,386.21

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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.