Home / 3,160.16-4,342.04-2,957.92

Finding the Fourth Proportional to 3,160.16, 4,342.04 and 2,957.92

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Solution

The fourth proportional to 3,160.16, 4,342.04 and 2,957.92 is: 4,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.16 : 4,342.04 = 2,957.92 : x
  2. Step 2: Convert to fraction form
    3,160.16/4,342.04 = 2,957.92/x
  3. Step 3: Cross multiply
    3,160.16x = 4,342.04 × 2,957.92
  4. Step 4: Simplify right side
    3,160.16x = 12,843,406.96
  5. Step 5: Solve for x
    x = 12,843,406.96/3,160.16
  6. Step 6: Final answer
    x = 4,064.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.