Home / 1,741.20-2,398.49-1,298.35

Finding the Fourth Proportional to 1,741.20, 2,398.49 and 1,298.35

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Solution

The fourth proportional to 1,741.20, 2,398.49 and 1,298.35 is: 1,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.20 : 2,398.49 = 1,298.35 : x
  2. Step 2: Convert to fraction form
    1,741.20/2,398.49 = 1,298.35/x
  3. Step 3: Cross multiply
    1,741.20x = 2,398.49 × 1,298.35
  4. Step 4: Simplify right side
    1,741.20x = 3,114,073.00
  5. Step 5: Solve for x
    x = 3,114,073.00/1,741.20
  6. Step 6: Final answer
    x = 1,788.47

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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.