Home / 2,339.18-3,228.06-1,291.24

Finding the Fourth Proportional to 2,339.18, 3,228.06 and 1,291.24

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Solution

The fourth proportional to 2,339.18, 3,228.06 and 1,291.24 is: 1,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.18 : 3,228.06 = 1,291.24 : x
  2. Step 2: Convert to fraction form
    2,339.18/3,228.06 = 1,291.24/x
  3. Step 3: Cross multiply
    2,339.18x = 3,228.06 × 1,291.24
  4. Step 4: Simplify right side
    2,339.18x = 4,168,200.19
  5. Step 5: Solve for x
    x = 4,168,200.19/2,339.18
  6. Step 6: Final answer
    x = 1,781.91

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1.5x scale

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.