Home / 3,870.83-5,342.60-2,544.66

Finding the Fourth Proportional to 3,870.83, 5,342.60 and 2,544.66

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Solution

The fourth proportional to 3,870.83, 5,342.60 and 2,544.66 is: 3,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.83 : 5,342.60 = 2,544.66 : x
  2. Step 2: Convert to fraction form
    3,870.83/5,342.60 = 2,544.66/x
  3. Step 3: Cross multiply
    3,870.83x = 5,342.60 × 2,544.66
  4. Step 4: Simplify right side
    3,870.83x = 13,595,073.96
  5. Step 5: Solve for x
    x = 13,595,073.96/3,870.83
  6. Step 6: Final answer
    x = 3,512.19

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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.