Home / 4,255.10-5,871.13-2,485.91

Finding the Fourth Proportional to 4,255.10, 5,871.13 and 2,485.91

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Solution

The fourth proportional to 4,255.10, 5,871.13 and 2,485.91 is: 3,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.10 : 5,871.13 = 2,485.91 : x
  2. Step 2: Convert to fraction form
    4,255.10/5,871.13 = 2,485.91/x
  3. Step 3: Cross multiply
    4,255.10x = 5,871.13 × 2,485.91
  4. Step 4: Simplify right side
    4,255.10x = 14,595,100.78
  5. Step 5: Solve for x
    x = 14,595,100.78/4,255.10
  6. Step 6: Final answer
    x = 3,430.03

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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.