Home / 3,430.66-4,736.62-2,253.72

Finding the Fourth Proportional to 3,430.66, 4,736.62 and 2,253.72

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Solution

The fourth proportional to 3,430.66, 4,736.62 and 2,253.72 is: 3,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.66 : 4,736.62 = 2,253.72 : x
  2. Step 2: Convert to fraction form
    3,430.66/4,736.62 = 2,253.72/x
  3. Step 3: Cross multiply
    3,430.66x = 4,736.62 × 2,253.72
  4. Step 4: Simplify right side
    3,430.66x = 10,675,015.23
  5. Step 5: Solve for x
    x = 10,675,015.23/3,430.66
  6. Step 6: Final answer
    x = 3,111.65

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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.