Home / 1,838.31-2,536.81-1,052.30

Finding the Fourth Proportional to 1,838.31, 2,536.81 and 1,052.30

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Solution

The fourth proportional to 1,838.31, 2,536.81 and 1,052.30 is: 1,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.31 : 2,536.81 = 1,052.30 : x
  2. Step 2: Convert to fraction form
    1,838.31/2,536.81 = 1,052.30/x
  3. Step 3: Cross multiply
    1,838.31x = 2,536.81 × 1,052.30
  4. Step 4: Simplify right side
    1,838.31x = 2,669,479.90
  5. Step 5: Solve for x
    x = 2,669,479.90/1,838.31
  6. Step 6: Final answer
    x = 1,452.14

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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.