Home / 2,292.14-3,438.21-560.75

Finding the Fourth Proportional to 2,292.14, 3,438.21 and 560.75

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Solution

The fourth proportional to 2,292.14, 3,438.21 and 560.75 is: 841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.14 : 3,438.21 = 560.75 : x
  2. Step 2: Convert to fraction form
    2,292.14/3,438.21 = 560.75/x
  3. Step 3: Cross multiply
    2,292.14x = 3,438.21 × 560.75
  4. Step 4: Simplify right side
    2,292.14x = 1,927,976.26
  5. Step 5: Solve for x
    x = 1,927,976.26/2,292.14
  6. Step 6: Final answer
    x = 841.13

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Half scale
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Double scale
Find fourth proportional to 2,293.14, 3,439.71 and 561.75
Similar ratio
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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.