Home / 3,965.90-5,467.77-2,547.05

Finding the Fourth Proportional to 3,965.90, 5,467.77 and 2,547.05

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Solution

The fourth proportional to 3,965.90, 5,467.77 and 2,547.05 is: 3,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.90 : 5,467.77 = 2,547.05 : x
  2. Step 2: Convert to fraction form
    3,965.90/5,467.77 = 2,547.05/x
  3. Step 3: Cross multiply
    3,965.90x = 5,467.77 × 2,547.05
  4. Step 4: Simplify right side
    3,965.90x = 13,926,656.24
  5. Step 5: Solve for x
    x = 13,926,656.24/3,965.90
  6. Step 6: Final answer
    x = 3,511.60

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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.