Home / 1,541.90-2,317.97-1,427.76

Finding the Fourth Proportional to 1,541.90, 2,317.97 and 1,427.76

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Solution

The fourth proportional to 1,541.90, 2,317.97 and 1,427.76 is: 2,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.90 : 2,317.97 = 1,427.76 : x
  2. Step 2: Convert to fraction form
    1,541.90/2,317.97 = 1,427.76/x
  3. Step 3: Cross multiply
    1,541.90x = 2,317.97 × 1,427.76
  4. Step 4: Simplify right side
    1,541.90x = 3,309,497.71
  5. Step 5: Solve for x
    x = 3,309,497.71/1,541.90
  6. Step 6: Final answer
    x = 2,146.38

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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.