Home / 2,875.22-3,967.80-1,616.26

Finding the Fourth Proportional to 2,875.22, 3,967.80 and 1,616.26

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Solution

The fourth proportional to 2,875.22, 3,967.80 and 1,616.26 is: 2,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.22 : 3,967.80 = 1,616.26 : x
  2. Step 2: Convert to fraction form
    2,875.22/3,967.80 = 1,616.26/x
  3. Step 3: Cross multiply
    2,875.22x = 3,967.80 × 1,616.26
  4. Step 4: Simplify right side
    2,875.22x = 6,412,996.98
  5. Step 5: Solve for x
    x = 6,412,996.98/2,875.22
  6. Step 6: Final answer
    x = 2,230.44

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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.