Home / 3,577.61-4,937.66-2,086.40

Finding the Fourth Proportional to 3,577.61, 4,937.66 and 2,086.40

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Solution

The fourth proportional to 3,577.61, 4,937.66 and 2,086.40 is: 2,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.61 : 4,937.66 = 2,086.40 : x
  2. Step 2: Convert to fraction form
    3,577.61/4,937.66 = 2,086.40/x
  3. Step 3: Cross multiply
    3,577.61x = 4,937.66 × 2,086.40
  4. Step 4: Simplify right side
    3,577.61x = 10,301,898.70
  5. Step 5: Solve for x
    x = 10,301,898.70/3,577.61
  6. Step 6: Final answer
    x = 2,879.55

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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.