Home / 2,873.18-4,313.02-1,143.02

Finding the Fourth Proportional to 2,873.18, 4,313.02 and 1,143.02

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Solution

The fourth proportional to 2,873.18, 4,313.02 and 1,143.02 is: 1,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.18 : 4,313.02 = 1,143.02 : x
  2. Step 2: Convert to fraction form
    2,873.18/4,313.02 = 1,143.02/x
  3. Step 3: Cross multiply
    2,873.18x = 4,313.02 × 1,143.02
  4. Step 4: Simplify right side
    2,873.18x = 4,929,868.12
  5. Step 5: Solve for x
    x = 4,929,868.12/2,873.18
  6. Step 6: Final answer
    x = 1,715.82

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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.