Home / 4,290.87-5,921.42-2,402.54

Finding the Fourth Proportional to 4,290.87, 5,921.42 and 2,402.54

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Solution

The fourth proportional to 4,290.87, 5,921.42 and 2,402.54 is: 3,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.87 : 5,921.42 = 2,402.54 : x
  2. Step 2: Convert to fraction form
    4,290.87/5,921.42 = 2,402.54/x
  3. Step 3: Cross multiply
    4,290.87x = 5,921.42 × 2,402.54
  4. Step 4: Simplify right side
    4,290.87x = 14,226,406.79
  5. Step 5: Solve for x
    x = 14,226,406.79/4,290.87
  6. Step 6: Final answer
    x = 3,315.51

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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.