Home / 3,423.62-5,128.44-2,547.05

Finding the Fourth Proportional to 3,423.62, 5,128.44 and 2,547.05

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Solution

The fourth proportional to 3,423.62, 5,128.44 and 2,547.05 is: 3,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.62 : 5,128.44 = 2,547.05 : x
  2. Step 2: Convert to fraction form
    3,423.62/5,128.44 = 2,547.05/x
  3. Step 3: Cross multiply
    3,423.62x = 5,128.44 × 2,547.05
  4. Step 4: Simplify right side
    3,423.62x = 13,062,393.10
  5. Step 5: Solve for x
    x = 13,062,393.10/3,423.62
  6. Step 6: Final answer
    x = 3,815.37

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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.