Home / 3,411.12-4,707.81-1,995.24

Finding the Fourth Proportional to 3,411.12, 4,707.81 and 1,995.24

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Solution

The fourth proportional to 3,411.12, 4,707.81 and 1,995.24 is: 2,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.12 : 4,707.81 = 1,995.24 : x
  2. Step 2: Convert to fraction form
    3,411.12/4,707.81 = 1,995.24/x
  3. Step 3: Cross multiply
    3,411.12x = 4,707.81 × 1,995.24
  4. Step 4: Simplify right side
    3,411.12x = 9,393,210.82
  5. Step 5: Solve for x
    x = 9,393,210.82/3,411.12
  6. Step 6: Final answer
    x = 2,753.70

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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.