Home / 3,690.12-5,091.75-2,363.55

Finding the Fourth Proportional to 3,690.12, 5,091.75 and 2,363.55

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Solution

The fourth proportional to 3,690.12, 5,091.75 and 2,363.55 is: 3,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.12 : 5,091.75 = 2,363.55 : x
  2. Step 2: Convert to fraction form
    3,690.12/5,091.75 = 2,363.55/x
  3. Step 3: Cross multiply
    3,690.12x = 5,091.75 × 2,363.55
  4. Step 4: Simplify right side
    3,690.12x = 12,034,605.71
  5. Step 5: Solve for x
    x = 12,034,605.71/3,690.12
  6. Step 6: Final answer
    x = 3,261.30

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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.