Home / 2,957.08-4,080.72-1,630.76

Finding the Fourth Proportional to 2,957.08, 4,080.72 and 1,630.76

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Solution

The fourth proportional to 2,957.08, 4,080.72 and 1,630.76 is: 2,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.08 : 4,080.72 = 1,630.76 : x
  2. Step 2: Convert to fraction form
    2,957.08/4,080.72 = 1,630.76/x
  3. Step 3: Cross multiply
    2,957.08x = 4,080.72 × 1,630.76
  4. Step 4: Simplify right side
    2,957.08x = 6,654,674.95
  5. Step 5: Solve for x
    x = 6,654,674.95/2,957.08
  6. Step 6: Final answer
    x = 2,250.42

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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.