Home / 1,150.93-1,724.23-574.21

Finding the Fourth Proportional to 1,150.93, 1,724.23 and 574.21

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Solution

The fourth proportional to 1,150.93, 1,724.23 and 574.21 is: 860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.93 : 1,724.23 = 574.21 : x
  2. Step 2: Convert to fraction form
    1,150.93/1,724.23 = 574.21/x
  3. Step 3: Cross multiply
    1,150.93x = 1,724.23 × 574.21
  4. Step 4: Simplify right side
    1,150.93x = 990,070.11
  5. Step 5: Solve for x
    x = 990,070.11/1,150.93
  6. Step 6: Final answer
    x = 860.23

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Double scale
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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.