Home / 3,546.20-5,312.10-2,898.20

Finding the Fourth Proportional to 3,546.20, 5,312.10 and 2,898.20

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Solution

The fourth proportional to 3,546.20, 5,312.10 and 2,898.20 is: 4,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.20 : 5,312.10 = 2,898.20 : x
  2. Step 2: Convert to fraction form
    3,546.20/5,312.10 = 2,898.20/x
  3. Step 3: Cross multiply
    3,546.20x = 5,312.10 × 2,898.20
  4. Step 4: Simplify right side
    3,546.20x = 15,395,528.22
  5. Step 5: Solve for x
    x = 15,395,528.22/3,546.20
  6. Step 6: Final answer
    x = 4,341.42

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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.