Home / 2,521.06-3,479.22-1,402.00

Finding the Fourth Proportional to 2,521.06, 3,479.22 and 1,402.00

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Solution

The fourth proportional to 2,521.06, 3,479.22 and 1,402.00 is: 1,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.06 : 3,479.22 = 1,402.00 : x
  2. Step 2: Convert to fraction form
    2,521.06/3,479.22 = 1,402.00/x
  3. Step 3: Cross multiply
    2,521.06x = 3,479.22 × 1,402.00
  4. Step 4: Simplify right side
    2,521.06x = 4,877,857.74
  5. Step 5: Solve for x
    x = 4,877,857.74/2,521.06
  6. Step 6: Final answer
    x = 1,934.85

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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.