Home / 2,422.18-3,336.24-1,861.58

Finding the Fourth Proportional to 2,422.18, 3,336.24 and 1,861.58

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Solution

The fourth proportional to 2,422.18, 3,336.24 and 1,861.58 is: 2,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.18 : 3,336.24 = 1,861.58 : x
  2. Step 2: Convert to fraction form
    2,422.18/3,336.24 = 1,861.58/x
  3. Step 3: Cross multiply
    2,422.18x = 3,336.24 × 1,861.58
  4. Step 4: Simplify right side
    2,422.18x = 6,210,669.80
  5. Step 5: Solve for x
    x = 6,210,669.80/2,422.18
  6. Step 6: Final answer
    x = 2,564.08

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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.