Home / 4,290.35-5,919.57-2,521.61

Finding the Fourth Proportional to 4,290.35, 5,919.57 and 2,521.61

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Solution

The fourth proportional to 4,290.35, 5,919.57 and 2,521.61 is: 3,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.35 : 5,919.57 = 2,521.61 : x
  2. Step 2: Convert to fraction form
    4,290.35/5,919.57 = 2,521.61/x
  3. Step 3: Cross multiply
    4,290.35x = 5,919.57 × 2,521.61
  4. Step 4: Simplify right side
    4,290.35x = 14,926,817.31
  5. Step 5: Solve for x
    x = 14,926,817.31/4,290.35
  6. Step 6: Final answer
    x = 3,479.16

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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.