Home / 3,253.41-4,881.33-1,403.78

Finding the Fourth Proportional to 3,253.41, 4,881.33 and 1,403.78

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Solution

The fourth proportional to 3,253.41, 4,881.33 and 1,403.78 is: 2,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.41 : 4,881.33 = 1,403.78 : x
  2. Step 2: Convert to fraction form
    3,253.41/4,881.33 = 1,403.78/x
  3. Step 3: Cross multiply
    3,253.41x = 4,881.33 × 1,403.78
  4. Step 4: Simplify right side
    3,253.41x = 6,852,289.02
  5. Step 5: Solve for x
    x = 6,852,289.02/3,253.41
  6. Step 6: Final answer
    x = 2,106.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.