Home / 3,514.47-5,270.15-1,870.63

Finding the Fourth Proportional to 3,514.47, 5,270.15 and 1,870.63

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Solution

The fourth proportional to 3,514.47, 5,270.15 and 1,870.63 is: 2,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.47 : 5,270.15 = 1,870.63 : x
  2. Step 2: Convert to fraction form
    3,514.47/5,270.15 = 1,870.63/x
  3. Step 3: Cross multiply
    3,514.47x = 5,270.15 × 1,870.63
  4. Step 4: Simplify right side
    3,514.47x = 9,858,492.20
  5. Step 5: Solve for x
    x = 9,858,492.20/3,514.47
  6. Step 6: Final answer
    x = 2,805.12

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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.