Home / 2,856.16-4,282.76-1,557.28

Finding the Fourth Proportional to 2,856.16, 4,282.76 and 1,557.28

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Solution

The fourth proportional to 2,856.16, 4,282.76 and 1,557.28 is: 2,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.16 : 4,282.76 = 1,557.28 : x
  2. Step 2: Convert to fraction form
    2,856.16/4,282.76 = 1,557.28/x
  3. Step 3: Cross multiply
    2,856.16x = 4,282.76 × 1,557.28
  4. Step 4: Simplify right side
    2,856.16x = 6,669,456.49
  5. Step 5: Solve for x
    x = 6,669,456.49/2,856.16
  6. Step 6: Final answer
    x = 2,335.11

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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.