Home / 2,957.15-4,080.93-1,630.91

Finding the Fourth Proportional to 2,957.15, 4,080.93 and 1,630.91

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Solution

The fourth proportional to 2,957.15, 4,080.93 and 1,630.91 is: 2,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.15 : 4,080.93 = 1,630.91 : x
  2. Step 2: Convert to fraction form
    2,957.15/4,080.93 = 1,630.91/x
  3. Step 3: Cross multiply
    2,957.15x = 4,080.93 × 1,630.91
  4. Step 4: Simplify right side
    2,957.15x = 6,655,629.55
  5. Step 5: Solve for x
    x = 6,655,629.55/2,957.15
  6. Step 6: Final answer
    x = 2,250.69

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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.