Home / 2,712.88-4,070.76-1,542.16

Finding the Fourth Proportional to 2,712.88, 4,070.76 and 1,542.16

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Solution

The fourth proportional to 2,712.88, 4,070.76 and 1,542.16 is: 2,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.88 : 4,070.76 = 1,542.16 : x
  2. Step 2: Convert to fraction form
    2,712.88/4,070.76 = 1,542.16/x
  3. Step 3: Cross multiply
    2,712.88x = 4,070.76 × 1,542.16
  4. Step 4: Simplify right side
    2,712.88x = 6,277,763.24
  5. Step 5: Solve for x
    x = 6,277,763.24/2,712.88
  6. Step 6: Final answer
    x = 2,314.06

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1.5x scale

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.