Home / 4,288.80-5,919.48-2,521.43

Finding the Fourth Proportional to 4,288.80, 5,919.48 and 2,521.43

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Solution

The fourth proportional to 4,288.80, 5,919.48 and 2,521.43 is: 3,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.80 : 5,919.48 = 2,521.43 : x
  2. Step 2: Convert to fraction form
    4,288.80/5,919.48 = 2,521.43/x
  3. Step 3: Cross multiply
    4,288.80x = 5,919.48 × 2,521.43
  4. Step 4: Simplify right side
    4,288.80x = 14,925,547.06
  5. Step 5: Solve for x
    x = 14,925,547.06/4,288.80
  6. Step 6: Final answer
    x = 3,480.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.