Home / 2,871.23-3,962.28-1,612.28

Finding the Fourth Proportional to 2,871.23, 3,962.28 and 1,612.28

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Solution

The fourth proportional to 2,871.23, 3,962.28 and 1,612.28 is: 2,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.23 : 3,962.28 = 1,612.28 : x
  2. Step 2: Convert to fraction form
    2,871.23/3,962.28 = 1,612.28/x
  3. Step 3: Cross multiply
    2,871.23x = 3,962.28 × 1,612.28
  4. Step 4: Simplify right side
    2,871.23x = 6,388,302.80
  5. Step 5: Solve for x
    x = 6,388,302.80/2,871.23
  6. Step 6: Final answer
    x = 2,224.93

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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.