Home / 1,719.63-2,579.45-1,061.71

Finding the Fourth Proportional to 1,719.63, 2,579.45 and 1,061.71

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Solution

The fourth proportional to 1,719.63, 2,579.45 and 1,061.71 is: 1,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.63 : 2,579.45 = 1,061.71 : x
  2. Step 2: Convert to fraction form
    1,719.63/2,579.45 = 1,061.71/x
  3. Step 3: Cross multiply
    1,719.63x = 2,579.45 × 1,061.71
  4. Step 4: Simplify right side
    1,719.63x = 2,738,616.10
  5. Step 5: Solve for x
    x = 2,738,616.10/1,719.63
  6. Step 6: Final answer
    x = 1,592.56

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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.