Home / 2,872.01-3,962.49-1,612.94

Finding the Fourth Proportional to 2,872.01, 3,962.49 and 1,612.94

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Solution

The fourth proportional to 2,872.01, 3,962.49 and 1,612.94 is: 2,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.01 : 3,962.49 = 1,612.94 : x
  2. Step 2: Convert to fraction form
    2,872.01/3,962.49 = 1,612.94/x
  3. Step 3: Cross multiply
    2,872.01x = 3,962.49 × 1,612.94
  4. Step 4: Simplify right side
    2,872.01x = 6,391,238.81
  5. Step 5: Solve for x
    x = 6,391,238.81/2,872.01
  6. Step 6: Final answer
    x = 2,225.36

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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.