Home / 1,724.55-2,586.01-750.25

Finding the Fourth Proportional to 1,724.55, 2,586.01 and 750.25

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Solution

The fourth proportional to 1,724.55, 2,586.01 and 750.25 is: 1,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.55 : 2,586.01 = 750.25 : x
  2. Step 2: Convert to fraction form
    1,724.55/2,586.01 = 750.25/x
  3. Step 3: Cross multiply
    1,724.55x = 2,586.01 × 750.25
  4. Step 4: Simplify right side
    1,724.55x = 1,940,154.00
  5. Step 5: Solve for x
    x = 1,940,154.00/1,724.55
  6. Step 6: Final answer
    x = 1,125.02

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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.