Home / 2,671.90-3,686.85-1,552.93

Finding the Fourth Proportional to 2,671.90, 3,686.85 and 1,552.93

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Solution

The fourth proportional to 2,671.90, 3,686.85 and 1,552.93 is: 2,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.90 : 3,686.85 = 1,552.93 : x
  2. Step 2: Convert to fraction form
    2,671.90/3,686.85 = 1,552.93/x
  3. Step 3: Cross multiply
    2,671.90x = 3,686.85 × 1,552.93
  4. Step 4: Simplify right side
    2,671.90x = 5,725,419.97
  5. Step 5: Solve for x
    x = 5,725,419.97/2,671.90
  6. Step 6: Final answer
    x = 2,142.83

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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.