Home / 1,335.27-2,012.91-1,246.08

Finding the Fourth Proportional to 1,335.27, 2,012.91 and 1,246.08

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Solution

The fourth proportional to 1,335.27, 2,012.91 and 1,246.08 is: 1,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.27 : 2,012.91 = 1,246.08 : x
  2. Step 2: Convert to fraction form
    1,335.27/2,012.91 = 1,246.08/x
  3. Step 3: Cross multiply
    1,335.27x = 2,012.91 × 1,246.08
  4. Step 4: Simplify right side
    1,335.27x = 2,508,246.89
  5. Step 5: Solve for x
    x = 2,508,246.89/1,335.27
  6. Step 6: Final answer
    x = 1,878.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.