Home / 2,957.98-4,081.96-1,613.60

Finding the Fourth Proportional to 2,957.98, 4,081.96 and 1,613.60

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Solution

The fourth proportional to 2,957.98, 4,081.96 and 1,613.60 is: 2,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.98 : 4,081.96 = 1,613.60 : x
  2. Step 2: Convert to fraction form
    2,957.98/4,081.96 = 1,613.60/x
  3. Step 3: Cross multiply
    2,957.98x = 4,081.96 × 1,613.60
  4. Step 4: Simplify right side
    2,957.98x = 6,586,650.66
  5. Step 5: Solve for x
    x = 6,586,650.66/2,957.98
  6. Step 6: Final answer
    x = 2,226.74

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1.5x scale

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.