Home / 3,646.79-5,032.66-2,230.45

Finding the Fourth Proportional to 3,646.79, 5,032.66 and 2,230.45

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Solution

The fourth proportional to 3,646.79, 5,032.66 and 2,230.45 is: 3,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.79 : 5,032.66 = 2,230.45 : x
  2. Step 2: Convert to fraction form
    3,646.79/5,032.66 = 2,230.45/x
  3. Step 3: Cross multiply
    3,646.79x = 5,032.66 × 2,230.45
  4. Step 4: Simplify right side
    3,646.79x = 11,225,086.70
  5. Step 5: Solve for x
    x = 11,225,086.70/3,646.79
  6. Step 6: Final answer
    x = 3,078.08

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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.