Home / 3,531.60-4,873.45-1,938.22

Finding the Fourth Proportional to 3,531.60, 4,873.45 and 1,938.22

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Solution

The fourth proportional to 3,531.60, 4,873.45 and 1,938.22 is: 2,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.60 : 4,873.45 = 1,938.22 : x
  2. Step 2: Convert to fraction form
    3,531.60/4,873.45 = 1,938.22/x
  3. Step 3: Cross multiply
    3,531.60x = 4,873.45 × 1,938.22
  4. Step 4: Simplify right side
    3,531.60x = 9,445,784.20
  5. Step 5: Solve for x
    x = 9,445,784.20/3,531.60
  6. Step 6: Final answer
    x = 2,674.65

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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.