Home / 1,025.56-1,538.19-376.14

Finding the Fourth Proportional to 1,025.56, 1,538.19 and 376.14

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Solution

The fourth proportional to 1,025.56, 1,538.19 and 376.14 is: 564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.56 : 1,538.19 = 376.14 : x
  2. Step 2: Convert to fraction form
    1,025.56/1,538.19 = 376.14/x
  3. Step 3: Cross multiply
    1,025.56x = 1,538.19 × 376.14
  4. Step 4: Simplify right side
    1,025.56x = 578,574.79
  5. Step 5: Solve for x
    x = 578,574.79/1,025.56
  6. Step 6: Final answer
    x = 564.15

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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.