Home / 3,577.76-4,937.66-2,065.40

Finding the Fourth Proportional to 3,577.76, 4,937.66 and 2,065.40

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Solution

The fourth proportional to 3,577.76, 4,937.66 and 2,065.40 is: 2,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.76 : 4,937.66 = 2,065.40 : x
  2. Step 2: Convert to fraction form
    3,577.76/4,937.66 = 2,065.40/x
  3. Step 3: Cross multiply
    3,577.76x = 4,937.66 × 2,065.40
  4. Step 4: Simplify right side
    3,577.76x = 10,198,242.96
  5. Step 5: Solve for x
    x = 10,198,242.96/3,577.76
  6. Step 6: Final answer
    x = 2,850.45

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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.