Home / 2,551.13-3,520.49-1,432.19

Finding the Fourth Proportional to 2,551.13, 3,520.49 and 1,432.19

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Solution

The fourth proportional to 2,551.13, 3,520.49 and 1,432.19 is: 1,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.13 : 3,520.49 = 1,432.19 : x
  2. Step 2: Convert to fraction form
    2,551.13/3,520.49 = 1,432.19/x
  3. Step 3: Cross multiply
    2,551.13x = 3,520.49 × 1,432.19
  4. Step 4: Simplify right side
    2,551.13x = 5,041,985.81
  5. Step 5: Solve for x
    x = 5,041,985.81/2,551.13
  6. Step 6: Final answer
    x = 1,976.38

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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.