Home / 2,521.11-3,479.10-1,402.02

Finding the Fourth Proportional to 2,521.11, 3,479.10 and 1,402.02

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Solution

The fourth proportional to 2,521.11, 3,479.10 and 1,402.02 is: 1,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.11 : 3,479.10 = 1,402.02 : x
  2. Step 2: Convert to fraction form
    2,521.11/3,479.10 = 1,402.02/x
  3. Step 3: Cross multiply
    2,521.11x = 3,479.10 × 1,402.02
  4. Step 4: Simplify right side
    2,521.11x = 4,877,767.78
  5. Step 5: Solve for x
    x = 4,877,767.78/2,521.11
  6. Step 6: Final answer
    x = 1,934.77

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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.