Home / 1,526.62-2,107.72-1,247.52

Finding the Fourth Proportional to 1,526.62, 2,107.72 and 1,247.52

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Solution

The fourth proportional to 1,526.62, 2,107.72 and 1,247.52 is: 1,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.62 : 2,107.72 = 1,247.52 : x
  2. Step 2: Convert to fraction form
    1,526.62/2,107.72 = 1,247.52/x
  3. Step 3: Cross multiply
    1,526.62x = 2,107.72 × 1,247.52
  4. Step 4: Simplify right side
    1,526.62x = 2,629,422.85
  5. Step 5: Solve for x
    x = 2,629,422.85/1,526.62
  6. Step 6: Final answer
    x = 1,722.38

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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.