Home / 1,724.80-2,380.24-1,026.08

Finding the Fourth Proportional to 1,724.80, 2,380.24 and 1,026.08

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Solution

The fourth proportional to 1,724.80, 2,380.24 and 1,026.08 is: 1,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.80 : 2,380.24 = 1,026.08 : x
  2. Step 2: Convert to fraction form
    1,724.80/2,380.24 = 1,026.08/x
  3. Step 3: Cross multiply
    1,724.80x = 2,380.24 × 1,026.08
  4. Step 4: Simplify right side
    1,724.80x = 2,442,316.66
  5. Step 5: Solve for x
    x = 2,442,316.66/1,724.80
  6. Step 6: Final answer
    x = 1,416.00

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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.