Home / 1,036.85-1,555.34-334.13

Finding the Fourth Proportional to 1,036.85, 1,555.34 and 334.13

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Solution

The fourth proportional to 1,036.85, 1,555.34 and 334.13 is: 501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.85 : 1,555.34 = 334.13 : x
  2. Step 2: Convert to fraction form
    1,036.85/1,555.34 = 334.13/x
  3. Step 3: Cross multiply
    1,036.85x = 1,555.34 × 334.13
  4. Step 4: Simplify right side
    1,036.85x = 519,676.31
  5. Step 5: Solve for x
    x = 519,676.31/1,036.85
  6. Step 6: Final answer
    x = 501.21

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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.