Home / 3,435.64-5,152.10-1,243.18

Finding the Fourth Proportional to 3,435.64, 5,152.10 and 1,243.18

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Solution

The fourth proportional to 3,435.64, 5,152.10 and 1,243.18 is: 1,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.64 : 5,152.10 = 1,243.18 : x
  2. Step 2: Convert to fraction form
    3,435.64/5,152.10 = 1,243.18/x
  3. Step 3: Cross multiply
    3,435.64x = 5,152.10 × 1,243.18
  4. Step 4: Simplify right side
    3,435.64x = 6,404,987.68
  5. Step 5: Solve for x
    x = 6,404,987.68/3,435.64
  6. Step 6: Final answer
    x = 1,864.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.