Home / 2,319.36-3,201.18-2,132.55

Finding the Fourth Proportional to 2,319.36, 3,201.18 and 2,132.55

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Solution

The fourth proportional to 2,319.36, 3,201.18 and 2,132.55 is: 2,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.36 : 3,201.18 = 2,132.55 : x
  2. Step 2: Convert to fraction form
    2,319.36/3,201.18 = 2,132.55/x
  3. Step 3: Cross multiply
    2,319.36x = 3,201.18 × 2,132.55
  4. Step 4: Simplify right side
    2,319.36x = 6,826,676.41
  5. Step 5: Solve for x
    x = 6,826,676.41/2,319.36
  6. Step 6: Final answer
    x = 2,943.35

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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.