Home / 3,539.50-4,884.51-1,967.91

Finding the Fourth Proportional to 3,539.50, 4,884.51 and 1,967.91

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Solution

The fourth proportional to 3,539.50, 4,884.51 and 1,967.91 is: 2,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.50 : 4,884.51 = 1,967.91 : x
  2. Step 2: Convert to fraction form
    3,539.50/4,884.51 = 1,967.91/x
  3. Step 3: Cross multiply
    3,539.50x = 4,884.51 × 1,967.91
  4. Step 4: Simplify right side
    3,539.50x = 9,612,276.07
  5. Step 5: Solve for x
    x = 9,612,276.07/3,539.50
  6. Step 6: Final answer
    x = 2,715.72

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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.