Home / 2,957.14-4,080.80-1,612.76

Finding the Fourth Proportional to 2,957.14, 4,080.80 and 1,612.76

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Solution

The fourth proportional to 2,957.14, 4,080.80 and 1,612.76 is: 2,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.14 : 4,080.80 = 1,612.76 : x
  2. Step 2: Convert to fraction form
    2,957.14/4,080.80 = 1,612.76/x
  3. Step 3: Cross multiply
    2,957.14x = 4,080.80 × 1,612.76
  4. Step 4: Simplify right side
    2,957.14x = 6,581,351.01
  5. Step 5: Solve for x
    x = 6,581,351.01/2,957.14
  6. Step 6: Final answer
    x = 2,225.58

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Half scale
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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.