Home / 1,823.94-2,517.12-1,038.15

Finding the Fourth Proportional to 1,823.94, 2,517.12 and 1,038.15

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Solution

The fourth proportional to 1,823.94, 2,517.12 and 1,038.15 is: 1,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.94 : 2,517.12 = 1,038.15 : x
  2. Step 2: Convert to fraction form
    1,823.94/2,517.12 = 1,038.15/x
  3. Step 3: Cross multiply
    1,823.94x = 2,517.12 × 1,038.15
  4. Step 4: Simplify right side
    1,823.94x = 2,613,148.13
  5. Step 5: Solve for x
    x = 2,613,148.13/1,823.94
  6. Step 6: Final answer
    x = 1,432.69

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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.