Home / 2,521.13-3,478.73-1,401.92

Finding the Fourth Proportional to 2,521.13, 3,478.73 and 1,401.92

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Solution

The fourth proportional to 2,521.13, 3,478.73 and 1,401.92 is: 1,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.13 : 3,478.73 = 1,401.92 : x
  2. Step 2: Convert to fraction form
    2,521.13/3,478.73 = 1,401.92/x
  3. Step 3: Cross multiply
    2,521.13x = 3,478.73 × 1,401.92
  4. Step 4: Simplify right side
    2,521.13x = 4,876,901.63
  5. Step 5: Solve for x
    x = 4,876,901.63/2,521.13
  6. Step 6: Final answer
    x = 1,934.41

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1.5x scale

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.