Home / 2,612.52-3,915.95-1,224.99

Finding the Fourth Proportional to 2,612.52, 3,915.95 and 1,224.99

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Solution

The fourth proportional to 2,612.52, 3,915.95 and 1,224.99 is: 1,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.52 : 3,915.95 = 1,224.99 : x
  2. Step 2: Convert to fraction form
    2,612.52/3,915.95 = 1,224.99/x
  3. Step 3: Cross multiply
    2,612.52x = 3,915.95 × 1,224.99
  4. Step 4: Simplify right side
    2,612.52x = 4,796,993.47
  5. Step 5: Solve for x
    x = 4,796,993.47/2,612.52
  6. Step 6: Final answer
    x = 1,836.16

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Half scale
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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.