Home / 1,719.42-2,580.33-1,070.62

Finding the Fourth Proportional to 1,719.42, 2,580.33 and 1,070.62

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Solution

The fourth proportional to 1,719.42, 2,580.33 and 1,070.62 is: 1,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.42 : 2,580.33 = 1,070.62 : x
  2. Step 2: Convert to fraction form
    1,719.42/2,580.33 = 1,070.62/x
  3. Step 3: Cross multiply
    1,719.42x = 2,580.33 × 1,070.62
  4. Step 4: Simplify right side
    1,719.42x = 2,762,552.90
  5. Step 5: Solve for x
    x = 2,762,552.90/1,719.42
  6. Step 6: Final answer
    x = 1,606.68

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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.