Home / 1,025.04-1,538.36-376.20

Finding the Fourth Proportional to 1,025.04, 1,538.36 and 376.20

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Solution

The fourth proportional to 1,025.04, 1,538.36 and 376.20 is: 564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.04 : 1,538.36 = 376.20 : x
  2. Step 2: Convert to fraction form
    1,025.04/1,538.36 = 376.20/x
  3. Step 3: Cross multiply
    1,025.04x = 1,538.36 × 376.20
  4. Step 4: Simplify right side
    1,025.04x = 578,731.03
  5. Step 5: Solve for x
    x = 578,731.03/1,025.04
  6. Step 6: Final answer
    x = 564.59

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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.