Home / 1,750.24-2,410.32-1,439.20

Finding the Fourth Proportional to 1,750.24, 2,410.32 and 1,439.20

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Solution

The fourth proportional to 1,750.24, 2,410.32 and 1,439.20 is: 1,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.24 : 2,410.32 = 1,439.20 : x
  2. Step 2: Convert to fraction form
    1,750.24/2,410.32 = 1,439.20/x
  3. Step 3: Cross multiply
    1,750.24x = 2,410.32 × 1,439.20
  4. Step 4: Simplify right side
    1,750.24x = 3,468,932.54
  5. Step 5: Solve for x
    x = 3,468,932.54/1,750.24
  6. Step 6: Final answer
    x = 1,981.98

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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.