Home / 3,860.50-5,327.90-2,368.08

Finding the Fourth Proportional to 3,860.50, 5,327.90 and 2,368.08

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Solution

The fourth proportional to 3,860.50, 5,327.90 and 2,368.08 is: 3,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.50 : 5,327.90 = 2,368.08 : x
  2. Step 2: Convert to fraction form
    3,860.50/5,327.90 = 2,368.08/x
  3. Step 3: Cross multiply
    3,860.50x = 5,327.90 × 2,368.08
  4. Step 4: Simplify right side
    3,860.50x = 12,616,854.95
  5. Step 5: Solve for x
    x = 12,616,854.95/3,860.50
  6. Step 6: Final answer
    x = 3,268.19

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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.