Home / 1,398.02-2,097.10-358.03

Finding the Fourth Proportional to 1,398.02, 2,097.10 and 358.03

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Solution

The fourth proportional to 1,398.02, 2,097.10 and 358.03 is: 537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398.02 : 2,097.10 = 358.03 : x
  2. Step 2: Convert to fraction form
    1,398.02/2,097.10 = 358.03/x
  3. Step 3: Cross multiply
    1,398.02x = 2,097.10 × 358.03
  4. Step 4: Simplify right side
    1,398.02x = 750,812.44
  5. Step 5: Solve for x
    x = 750,812.44/1,398.02
  6. Step 6: Final answer
    x = 537.06

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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.