Home / 2,422.35-3,343.38-1,537.99

Finding the Fourth Proportional to 2,422.35, 3,343.38 and 1,537.99

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Solution

The fourth proportional to 2,422.35, 3,343.38 and 1,537.99 is: 2,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.35 : 3,343.38 = 1,537.99 : x
  2. Step 2: Convert to fraction form
    2,422.35/3,343.38 = 1,537.99/x
  3. Step 3: Cross multiply
    2,422.35x = 3,343.38 × 1,537.99
  4. Step 4: Simplify right side
    2,422.35x = 5,142,068.29
  5. Step 5: Solve for x
    x = 5,142,068.29/2,422.35
  6. Step 6: Final answer
    x = 2,122.76

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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.