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Finding the Fourth Proportional to 2,801.48, 3,864.42 and 1,751.72

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Solution

The fourth proportional to 2,801.48, 3,864.42 and 1,751.72 is: 2,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.48 : 3,864.42 = 1,751.72 : x
  2. Step 2: Convert to fraction form
    2,801.48/3,864.42 = 1,751.72/x
  3. Step 3: Cross multiply
    2,801.48x = 3,864.42 × 1,751.72
  4. Step 4: Simplify right side
    2,801.48x = 6,769,381.80
  5. Step 5: Solve for x
    x = 6,769,381.80/2,801.48
  6. Step 6: Final answer
    x = 2,416.36

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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.