Home / 1,207.23-1,810.85-341.52

Finding the Fourth Proportional to 1,207.23, 1,810.85 and 341.52

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Solution

The fourth proportional to 1,207.23, 1,810.85 and 341.52 is: 512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.23 : 1,810.85 = 341.52 : x
  2. Step 2: Convert to fraction form
    1,207.23/1,810.85 = 341.52/x
  3. Step 3: Cross multiply
    1,207.23x = 1,810.85 × 341.52
  4. Step 4: Simplify right side
    1,207.23x = 618,439.78
  5. Step 5: Solve for x
    x = 618,439.78/1,207.23
  6. Step 6: Final answer
    x = 512.28

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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.