Home / 1,494.06-2,240.88-398.51

Finding the Fourth Proportional to 1,494.06, 2,240.88 and 398.51

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Solution

The fourth proportional to 1,494.06, 2,240.88 and 398.51 is: 597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.06 : 2,240.88 = 398.51 : x
  2. Step 2: Convert to fraction form
    1,494.06/2,240.88 = 398.51/x
  3. Step 3: Cross multiply
    1,494.06x = 2,240.88 × 398.51
  4. Step 4: Simplify right side
    1,494.06x = 893,001.88
  5. Step 5: Solve for x
    x = 893,001.88/1,494.06
  6. Step 6: Final answer
    x = 597.70

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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.