Home / 2,073.16-2,860.96-1,128.95

Finding the Fourth Proportional to 2,073.16, 2,860.96 and 1,128.95

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Solution

The fourth proportional to 2,073.16, 2,860.96 and 1,128.95 is: 1,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.16 : 2,860.96 = 1,128.95 : x
  2. Step 2: Convert to fraction form
    2,073.16/2,860.96 = 1,128.95/x
  3. Step 3: Cross multiply
    2,073.16x = 2,860.96 × 1,128.95
  4. Step 4: Simplify right side
    2,073.16x = 3,229,885.12
  5. Step 5: Solve for x
    x = 3,229,885.12/2,073.16
  6. Step 6: Final answer
    x = 1,557.95

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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.