Home / 3,504.47-5,255.80-1,038.70

Finding the Fourth Proportional to 3,504.47, 5,255.80 and 1,038.70

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Solution

The fourth proportional to 3,504.47, 5,255.80 and 1,038.70 is: 1,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.47 : 5,255.80 = 1,038.70 : x
  2. Step 2: Convert to fraction form
    3,504.47/5,255.80 = 1,038.70/x
  3. Step 3: Cross multiply
    3,504.47x = 5,255.80 × 1,038.70
  4. Step 4: Simplify right side
    3,504.47x = 5,459,203.43
  5. Step 5: Solve for x
    x = 5,459,203.43/3,504.47
  6. Step 6: Final answer
    x = 1,557.79

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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.