Home / 1,585.41-2,377.26-719.25

Finding the Fourth Proportional to 1,585.41, 2,377.26 and 719.25

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Solution

The fourth proportional to 1,585.41, 2,377.26 and 719.25 is: 1,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.41 : 2,377.26 = 719.25 : x
  2. Step 2: Convert to fraction form
    1,585.41/2,377.26 = 719.25/x
  3. Step 3: Cross multiply
    1,585.41x = 2,377.26 × 719.25
  4. Step 4: Simplify right side
    1,585.41x = 1,709,844.26
  5. Step 5: Solve for x
    x = 1,709,844.26/1,585.41
  6. Step 6: Final answer
    x = 1,078.49

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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.