Home / 2,398.13-3,308.85-1,350.19

Finding the Fourth Proportional to 2,398.13, 3,308.85 and 1,350.19

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Solution

The fourth proportional to 2,398.13, 3,308.85 and 1,350.19 is: 1,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.13 : 3,308.85 = 1,350.19 : x
  2. Step 2: Convert to fraction form
    2,398.13/3,308.85 = 1,350.19/x
  3. Step 3: Cross multiply
    2,398.13x = 3,308.85 × 1,350.19
  4. Step 4: Simplify right side
    2,398.13x = 4,467,576.18
  5. Step 5: Solve for x
    x = 4,467,576.18/2,398.13
  6. Step 6: Final answer
    x = 1,862.94

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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.