Home / 2,038.08-2,812.56-1,252.88

Finding the Fourth Proportional to 2,038.08, 2,812.56 and 1,252.88

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Solution

The fourth proportional to 2,038.08, 2,812.56 and 1,252.88 is: 1,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.08 : 2,812.56 = 1,252.88 : x
  2. Step 2: Convert to fraction form
    2,038.08/2,812.56 = 1,252.88/x
  3. Step 3: Cross multiply
    2,038.08x = 2,812.56 × 1,252.88
  4. Step 4: Simplify right side
    2,038.08x = 3,523,800.17
  5. Step 5: Solve for x
    x = 3,523,800.17/2,038.08
  6. Step 6: Final answer
    x = 1,728.98

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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.