Home / 3,532.80-4,875.24-2,040.72

Finding the Fourth Proportional to 3,532.80, 4,875.24 and 2,040.72

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Solution

The fourth proportional to 3,532.80, 4,875.24 and 2,040.72 is: 2,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.80 : 4,875.24 = 2,040.72 : x
  2. Step 2: Convert to fraction form
    3,532.80/4,875.24 = 2,040.72/x
  3. Step 3: Cross multiply
    3,532.80x = 4,875.24 × 2,040.72
  4. Step 4: Simplify right side
    3,532.80x = 9,948,999.77
  5. Step 5: Solve for x
    x = 9,948,999.77/3,532.80
  6. Step 6: Final answer
    x = 2,816.18

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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.