Home / 2,419.12-3,337.40-1,370.96

Finding the Fourth Proportional to 2,419.12, 3,337.40 and 1,370.96

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Solution

The fourth proportional to 2,419.12, 3,337.40 and 1,370.96 is: 1,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.12 : 3,337.40 = 1,370.96 : x
  2. Step 2: Convert to fraction form
    2,419.12/3,337.40 = 1,370.96/x
  3. Step 3: Cross multiply
    2,419.12x = 3,337.40 × 1,370.96
  4. Step 4: Simplify right side
    2,419.12x = 4,575,441.90
  5. Step 5: Solve for x
    x = 4,575,441.90/2,419.12
  6. Step 6: Final answer
    x = 1,891.37

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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.