Home / 4,254.30-5,871.20-2,391.30

Finding the Fourth Proportional to 4,254.30, 5,871.20 and 2,391.30

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Solution

The fourth proportional to 4,254.30, 5,871.20 and 2,391.30 is: 3,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.30 : 5,871.20 = 2,391.30 : x
  2. Step 2: Convert to fraction form
    4,254.30/5,871.20 = 2,391.30/x
  3. Step 3: Cross multiply
    4,254.30x = 5,871.20 × 2,391.30
  4. Step 4: Simplify right side
    4,254.30x = 14,039,788.60
  5. Step 5: Solve for x
    x = 14,039,788.60/4,254.30
  6. Step 6: Final answer
    x = 3,300.14

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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.