Home / 2,335.95-3,216.87-2,187.72

Finding the Fourth Proportional to 2,335.95, 3,216.87 and 2,187.72

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Solution

The fourth proportional to 2,335.95, 3,216.87 and 2,187.72 is: 3,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.95 : 3,216.87 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    2,335.95/3,216.87 = 2,187.72/x
  3. Step 3: Cross multiply
    2,335.95x = 3,216.87 × 2,187.72
  4. Step 4: Simplify right side
    2,335.95x = 7,037,610.84
  5. Step 5: Solve for x
    x = 7,037,610.84/2,335.95
  6. Step 6: Final answer
    x = 3,012.74

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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.