Home / 1,812.57-2,719.76-1,032.54

Finding the Fourth Proportional to 1,812.57, 2,719.76 and 1,032.54

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Solution

The fourth proportional to 1,812.57, 2,719.76 and 1,032.54 is: 1,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.57 : 2,719.76 = 1,032.54 : x
  2. Step 2: Convert to fraction form
    1,812.57/2,719.76 = 1,032.54/x
  3. Step 3: Cross multiply
    1,812.57x = 2,719.76 × 1,032.54
  4. Step 4: Simplify right side
    1,812.57x = 2,808,247.39
  5. Step 5: Solve for x
    x = 2,808,247.39/1,812.57
  6. Step 6: Final answer
    x = 1,549.32

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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.