Home / 3,532.50-4,875.72-2,040.20

Finding the Fourth Proportional to 3,532.50, 4,875.72 and 2,040.20

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Solution

The fourth proportional to 3,532.50, 4,875.72 and 2,040.20 is: 2,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.50 : 4,875.72 = 2,040.20 : x
  2. Step 2: Convert to fraction form
    3,532.50/4,875.72 = 2,040.20/x
  3. Step 3: Cross multiply
    3,532.50x = 4,875.72 × 2,040.20
  4. Step 4: Simplify right side
    3,532.50x = 9,947,419.57
  5. Step 5: Solve for x
    x = 9,947,419.57/3,532.50
  6. Step 6: Final answer
    x = 2,815.97

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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.