Home / 4,254.90-5,871.42-2,486.31

Finding the Fourth Proportional to 4,254.90, 5,871.42 and 2,486.31

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Solution

The fourth proportional to 4,254.90, 5,871.42 and 2,486.31 is: 3,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.90 : 5,871.42 = 2,486.31 : x
  2. Step 2: Convert to fraction form
    4,254.90/5,871.42 = 2,486.31/x
  3. Step 3: Cross multiply
    4,254.90x = 5,871.42 × 2,486.31
  4. Step 4: Simplify right side
    4,254.90x = 14,598,170.26
  5. Step 5: Solve for x
    x = 14,598,170.26/4,254.90
  6. Step 6: Final answer
    x = 3,430.91

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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.