Home / 2,712.13-3,741.60-1,649.70

Finding the Fourth Proportional to 2,712.13, 3,741.60 and 1,649.70

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Solution

The fourth proportional to 2,712.13, 3,741.60 and 1,649.70 is: 2,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.13 : 3,741.60 = 1,649.70 : x
  2. Step 2: Convert to fraction form
    2,712.13/3,741.60 = 1,649.70/x
  3. Step 3: Cross multiply
    2,712.13x = 3,741.60 × 1,649.70
  4. Step 4: Simplify right side
    2,712.13x = 6,172,513.49
  5. Step 5: Solve for x
    x = 6,172,513.49/2,712.13
  6. Step 6: Final answer
    x = 2,275.89

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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.