Home / 4,309.98-5,947.34-2,421.12

Finding the Fourth Proportional to 4,309.98, 5,947.34 and 2,421.12

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Solution

The fourth proportional to 4,309.98, 5,947.34 and 2,421.12 is: 3,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.98 : 5,947.34 = 2,421.12 : x
  2. Step 2: Convert to fraction form
    4,309.98/5,947.34 = 2,421.12/x
  3. Step 3: Cross multiply
    4,309.98x = 5,947.34 × 2,421.12
  4. Step 4: Simplify right side
    4,309.98x = 14,399,223.82
  5. Step 5: Solve for x
    x = 14,399,223.82/4,309.98
  6. Step 6: Final answer
    x = 3,340.90

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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.