Home / 4,290.94-5,921.67-2,402.56

Finding the Fourth Proportional to 4,290.94, 5,921.67 and 2,402.56

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Solution

The fourth proportional to 4,290.94, 5,921.67 and 2,402.56 is: 3,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.94 : 5,921.67 = 2,402.56 : x
  2. Step 2: Convert to fraction form
    4,290.94/5,921.67 = 2,402.56/x
  3. Step 3: Cross multiply
    4,290.94x = 5,921.67 × 2,402.56
  4. Step 4: Simplify right side
    4,290.94x = 14,227,167.48
  5. Step 5: Solve for x
    x = 14,227,167.48/4,290.94
  6. Step 6: Final answer
    x = 3,315.63

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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.