Home / 3,437.95-4,743.28-2,021.18

Finding the Fourth Proportional to 3,437.95, 4,743.28 and 2,021.18

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Solution

The fourth proportional to 3,437.95, 4,743.28 and 2,021.18 is: 2,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.95 : 4,743.28 = 2,021.18 : x
  2. Step 2: Convert to fraction form
    3,437.95/4,743.28 = 2,021.18/x
  3. Step 3: Cross multiply
    3,437.95x = 4,743.28 × 2,021.18
  4. Step 4: Simplify right side
    3,437.95x = 9,587,012.56
  5. Step 5: Solve for x
    x = 9,587,012.56/3,437.95
  6. Step 6: Final answer
    x = 2,788.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.