Home / 3,577.86-4,937.68-1,984.69

Finding the Fourth Proportional to 3,577.86, 4,937.68 and 1,984.69

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Solution

The fourth proportional to 3,577.86, 4,937.68 and 1,984.69 is: 2,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.86 : 4,937.68 = 1,984.69 : x
  2. Step 2: Convert to fraction form
    3,577.86/4,937.68 = 1,984.69/x
  3. Step 3: Cross multiply
    3,577.86x = 4,937.68 × 1,984.69
  4. Step 4: Simplify right side
    3,577.86x = 9,799,764.12
  5. Step 5: Solve for x
    x = 9,799,764.12/3,577.86
  6. Step 6: Final answer
    x = 2,739.00

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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.