Home / 3,291.18-4,538.34-2,347.08

Finding the Fourth Proportional to 3,291.18, 4,538.34 and 2,347.08

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Solution

The fourth proportional to 3,291.18, 4,538.34 and 2,347.08 is: 3,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.18 : 4,538.34 = 2,347.08 : x
  2. Step 2: Convert to fraction form
    3,291.18/4,538.34 = 2,347.08/x
  3. Step 3: Cross multiply
    3,291.18x = 4,538.34 × 2,347.08
  4. Step 4: Simplify right side
    3,291.18x = 10,651,847.05
  5. Step 5: Solve for x
    x = 10,651,847.05/3,291.18
  6. Step 6: Final answer
    x = 3,236.48

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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.