Home / 3,101.90-4,654.44-1,253.07

Finding the Fourth Proportional to 3,101.90, 4,654.44 and 1,253.07

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Solution

The fourth proportional to 3,101.90, 4,654.44 and 1,253.07 is: 1,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.90 : 4,654.44 = 1,253.07 : x
  2. Step 2: Convert to fraction form
    3,101.90/4,654.44 = 1,253.07/x
  3. Step 3: Cross multiply
    3,101.90x = 4,654.44 × 1,253.07
  4. Step 4: Simplify right side
    3,101.90x = 5,832,339.13
  5. Step 5: Solve for x
    x = 5,832,339.13/3,101.90
  6. Step 6: Final answer
    x = 1,880.25

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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.