Home / 2,419.88-3,631.13-1,873.13

Finding the Fourth Proportional to 2,419.88, 3,631.13 and 1,873.13

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Solution

The fourth proportional to 2,419.88, 3,631.13 and 1,873.13 is: 2,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.88 : 3,631.13 = 1,873.13 : x
  2. Step 2: Convert to fraction form
    2,419.88/3,631.13 = 1,873.13/x
  3. Step 3: Cross multiply
    2,419.88x = 3,631.13 × 1,873.13
  4. Step 4: Simplify right side
    2,419.88x = 6,801,551.02
  5. Step 5: Solve for x
    x = 6,801,551.02/2,419.88
  6. Step 6: Final answer
    x = 2,810.70

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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.