Home / 1,028.65-1,543.20-370.56

Finding the Fourth Proportional to 1,028.65, 1,543.20 and 370.56

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Solution

The fourth proportional to 1,028.65, 1,543.20 and 370.56 is: 555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.65 : 1,543.20 = 370.56 : x
  2. Step 2: Convert to fraction form
    1,028.65/1,543.20 = 370.56/x
  3. Step 3: Cross multiply
    1,028.65x = 1,543.20 × 370.56
  4. Step 4: Simplify right side
    1,028.65x = 571,848.19
  5. Step 5: Solve for x
    x = 571,848.19/1,028.65
  6. Step 6: Final answer
    x = 555.92

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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.