Home / 4,290.01-5,919.30-2,520.97

Finding the Fourth Proportional to 4,290.01, 5,919.30 and 2,520.97

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Solution

The fourth proportional to 4,290.01, 5,919.30 and 2,520.97 is: 3,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.01 : 5,919.30 = 2,520.97 : x
  2. Step 2: Convert to fraction form
    4,290.01/5,919.30 = 2,520.97/x
  3. Step 3: Cross multiply
    4,290.01x = 5,919.30 × 2,520.97
  4. Step 4: Simplify right side
    4,290.01x = 14,922,362.92
  5. Step 5: Solve for x
    x = 14,922,362.92/4,290.01
  6. Step 6: Final answer
    x = 3,478.40

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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.