Home / 2,070.16-2,856.82-1,125.95

Finding the Fourth Proportional to 2,070.16, 2,856.82 and 1,125.95

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Solution

The fourth proportional to 2,070.16, 2,856.82 and 1,125.95 is: 1,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.16 : 2,856.82 = 1,125.95 : x
  2. Step 2: Convert to fraction form
    2,070.16/2,856.82 = 1,125.95/x
  3. Step 3: Cross multiply
    2,070.16x = 2,856.82 × 1,125.95
  4. Step 4: Simplify right side
    2,070.16x = 3,216,646.44
  5. Step 5: Solve for x
    x = 3,216,646.44/2,070.16
  6. Step 6: Final answer
    x = 1,553.82

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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.