Home / 3,487.59-4,812.86-1,995.50

Finding the Fourth Proportional to 3,487.59, 4,812.86 and 1,995.50

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Solution

The fourth proportional to 3,487.59, 4,812.86 and 1,995.50 is: 2,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.59 : 4,812.86 = 1,995.50 : x
  2. Step 2: Convert to fraction form
    3,487.59/4,812.86 = 1,995.50/x
  3. Step 3: Cross multiply
    3,487.59x = 4,812.86 × 1,995.50
  4. Step 4: Simplify right side
    3,487.59x = 9,604,079.15
  5. Step 5: Solve for x
    x = 9,604,079.15/3,487.59
  6. Step 6: Final answer
    x = 2,753.79

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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.