Home / 2,875.06-3,967.68-1,616.36

Finding the Fourth Proportional to 2,875.06, 3,967.68 and 1,616.36

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Solution

The fourth proportional to 2,875.06, 3,967.68 and 1,616.36 is: 2,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.06 : 3,967.68 = 1,616.36 : x
  2. Step 2: Convert to fraction form
    2,875.06/3,967.68 = 1,616.36/x
  3. Step 3: Cross multiply
    2,875.06x = 3,967.68 × 1,616.36
  4. Step 4: Simplify right side
    2,875.06x = 6,413,199.24
  5. Step 5: Solve for x
    x = 6,413,199.24/2,875.06
  6. Step 6: Final answer
    x = 2,230.63

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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.