Home / 3,788.94-5,230.35-2,547.66

Finding the Fourth Proportional to 3,788.94, 5,230.35 and 2,547.66

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Solution

The fourth proportional to 3,788.94, 5,230.35 and 2,547.66 is: 3,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.94 : 5,230.35 = 2,547.66 : x
  2. Step 2: Convert to fraction form
    3,788.94/5,230.35 = 2,547.66/x
  3. Step 3: Cross multiply
    3,788.94x = 5,230.35 × 2,547.66
  4. Step 4: Simplify right side
    3,788.94x = 13,325,153.48
  5. Step 5: Solve for x
    x = 13,325,153.48/3,788.94
  6. Step 6: Final answer
    x = 3,516.86

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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.