Home / 2,157.62-2,974.35-1,526.20

Finding the Fourth Proportional to 2,157.62, 2,974.35 and 1,526.20

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Solution

The fourth proportional to 2,157.62, 2,974.35 and 1,526.20 is: 2,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.62 : 2,974.35 = 1,526.20 : x
  2. Step 2: Convert to fraction form
    2,157.62/2,974.35 = 1,526.20/x
  3. Step 3: Cross multiply
    2,157.62x = 2,974.35 × 1,526.20
  4. Step 4: Simplify right side
    2,157.62x = 4,539,446.75
  5. Step 5: Solve for x
    x = 4,539,446.75/2,157.62
  6. Step 6: Final answer
    x = 2,103.91

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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.