Home / 3,013.35-4,154.12-2,515.20

Finding the Fourth Proportional to 3,013.35, 4,154.12 and 2,515.20

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Solution

The fourth proportional to 3,013.35, 4,154.12 and 2,515.20 is: 3,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.35 : 4,154.12 = 2,515.20 : x
  2. Step 2: Convert to fraction form
    3,013.35/4,154.12 = 2,515.20/x
  3. Step 3: Cross multiply
    3,013.35x = 4,154.12 × 2,515.20
  4. Step 4: Simplify right side
    3,013.35x = 10,448,430.05
  5. Step 5: Solve for x
    x = 10,448,430.05/3,013.35
  6. Step 6: Final answer
    x = 3,467.38

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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.