Home / 3,625.38-5,434.76-1,316.34

Finding the Fourth Proportional to 3,625.38, 5,434.76 and 1,316.34

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Solution

The fourth proportional to 3,625.38, 5,434.76 and 1,316.34 is: 1,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.38 : 5,434.76 = 1,316.34 : x
  2. Step 2: Convert to fraction form
    3,625.38/5,434.76 = 1,316.34/x
  3. Step 3: Cross multiply
    3,625.38x = 5,434.76 × 1,316.34
  4. Step 4: Simplify right side
    3,625.38x = 7,153,991.98
  5. Step 5: Solve for x
    x = 7,153,991.98/3,625.38
  6. Step 6: Final answer
    x = 1,973.31

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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.