Home / 2,957.31-4,081.07-1,613.00

Finding the Fourth Proportional to 2,957.31, 4,081.07 and 1,613.00

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Solution

The fourth proportional to 2,957.31, 4,081.07 and 1,613.00 is: 2,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.31 : 4,081.07 = 1,613.00 : x
  2. Step 2: Convert to fraction form
    2,957.31/4,081.07 = 1,613.00/x
  3. Step 3: Cross multiply
    2,957.31x = 4,081.07 × 1,613.00
  4. Step 4: Simplify right side
    2,957.31x = 6,582,780.15
  5. Step 5: Solve for x
    x = 6,582,780.15/2,957.31
  6. Step 6: Final answer
    x = 2,225.94

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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.