Home / 1,246.03-1,718.54-1,162.20

Finding the Fourth Proportional to 1,246.03, 1,718.54 and 1,162.20

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Solution

The fourth proportional to 1,246.03, 1,718.54 and 1,162.20 is: 1,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.03 : 1,718.54 = 1,162.20 : x
  2. Step 2: Convert to fraction form
    1,246.03/1,718.54 = 1,162.20/x
  3. Step 3: Cross multiply
    1,246.03x = 1,718.54 × 1,162.20
  4. Step 4: Simplify right side
    1,246.03x = 1,997,285.78
  5. Step 5: Solve for x
    x = 1,997,285.78/1,246.03
  6. Step 6: Final answer
    x = 1,602.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.