Home / 1,724.18-2,380.14-1,304.60

Finding the Fourth Proportional to 1,724.18, 2,380.14 and 1,304.60

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Solution

The fourth proportional to 1,724.18, 2,380.14 and 1,304.60 is: 1,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.18 : 2,380.14 = 1,304.60 : x
  2. Step 2: Convert to fraction form
    1,724.18/2,380.14 = 1,304.60/x
  3. Step 3: Cross multiply
    1,724.18x = 2,380.14 × 1,304.60
  4. Step 4: Simplify right side
    1,724.18x = 3,105,130.64
  5. Step 5: Solve for x
    x = 3,105,130.64/1,724.18
  6. Step 6: Final answer
    x = 1,800.93

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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.