Home / 2,438.51-3,654.11-1,343.18

Finding the Fourth Proportional to 2,438.51, 3,654.11 and 1,343.18

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Solution

The fourth proportional to 2,438.51, 3,654.11 and 1,343.18 is: 2,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.51 : 3,654.11 = 1,343.18 : x
  2. Step 2: Convert to fraction form
    2,438.51/3,654.11 = 1,343.18/x
  3. Step 3: Cross multiply
    2,438.51x = 3,654.11 × 1,343.18
  4. Step 4: Simplify right side
    2,438.51x = 4,908,139.96
  5. Step 5: Solve for x
    x = 4,908,139.96/2,438.51
  6. Step 6: Final answer
    x = 2,012.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.