Home / 3,130.01-4,319.42-1,951.08

Finding the Fourth Proportional to 3,130.01, 4,319.42 and 1,951.08

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Solution

The fourth proportional to 3,130.01, 4,319.42 and 1,951.08 is: 2,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.01 : 4,319.42 = 1,951.08 : x
  2. Step 2: Convert to fraction form
    3,130.01/4,319.42 = 1,951.08/x
  3. Step 3: Cross multiply
    3,130.01x = 4,319.42 × 1,951.08
  4. Step 4: Simplify right side
    3,130.01x = 8,427,524.22
  5. Step 5: Solve for x
    x = 8,427,524.22/3,130.01
  6. Step 6: Final answer
    x = 2,692.49

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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.