Home / 2,281.22-3,143.60-1,616.93

Finding the Fourth Proportional to 2,281.22, 3,143.60 and 1,616.93

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Solution

The fourth proportional to 2,281.22, 3,143.60 and 1,616.93 is: 2,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.22 : 3,143.60 = 1,616.93 : x
  2. Step 2: Convert to fraction form
    2,281.22/3,143.60 = 1,616.93/x
  3. Step 3: Cross multiply
    2,281.22x = 3,143.60 × 1,616.93
  4. Step 4: Simplify right side
    2,281.22x = 5,082,957.35
  5. Step 5: Solve for x
    x = 5,082,957.35/2,281.22
  6. Step 6: Final answer
    x = 2,228.18

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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.