Home / 2,995.32-4,132.89-1,816.68

Finding the Fourth Proportional to 2,995.32, 4,132.89 and 1,816.68

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Solution

The fourth proportional to 2,995.32, 4,132.89 and 1,816.68 is: 2,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.32 : 4,132.89 = 1,816.68 : x
  2. Step 2: Convert to fraction form
    2,995.32/4,132.89 = 1,816.68/x
  3. Step 3: Cross multiply
    2,995.32x = 4,132.89 × 1,816.68
  4. Step 4: Simplify right side
    2,995.32x = 7,508,138.61
  5. Step 5: Solve for x
    x = 7,508,138.61/2,995.32
  6. Step 6: Final answer
    x = 2,506.62

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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.