Home / 2,172.60-3,251.52-1,526.16

Finding the Fourth Proportional to 2,172.60, 3,251.52 and 1,526.16

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Solution

The fourth proportional to 2,172.60, 3,251.52 and 1,526.16 is: 2,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.60 : 3,251.52 = 1,526.16 : x
  2. Step 2: Convert to fraction form
    2,172.60/3,251.52 = 1,526.16/x
  3. Step 3: Cross multiply
    2,172.60x = 3,251.52 × 1,526.16
  4. Step 4: Simplify right side
    2,172.60x = 4,962,339.76
  5. Step 5: Solve for x
    x = 4,962,339.76/2,172.60
  6. Step 6: Final answer
    x = 2,284.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.