Home / 2,875.39-3,967.71-1,616.18

Finding the Fourth Proportional to 2,875.39, 3,967.71 and 1,616.18

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Solution

The fourth proportional to 2,875.39, 3,967.71 and 1,616.18 is: 2,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.39 : 3,967.71 = 1,616.18 : x
  2. Step 2: Convert to fraction form
    2,875.39/3,967.71 = 1,616.18/x
  3. Step 3: Cross multiply
    2,875.39x = 3,967.71 × 1,616.18
  4. Step 4: Simplify right side
    2,875.39x = 6,412,533.55
  5. Step 5: Solve for x
    x = 6,412,533.55/2,875.39
  6. Step 6: Final answer
    x = 2,230.14

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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.