Home / 3,100.45-4,651.36-1,456.10

Finding the Fourth Proportional to 3,100.45, 4,651.36 and 1,456.10

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Solution

The fourth proportional to 3,100.45, 4,651.36 and 1,456.10 is: 2,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.45 : 4,651.36 = 1,456.10 : x
  2. Step 2: Convert to fraction form
    3,100.45/4,651.36 = 1,456.10/x
  3. Step 3: Cross multiply
    3,100.45x = 4,651.36 × 1,456.10
  4. Step 4: Simplify right side
    3,100.45x = 6,772,845.30
  5. Step 5: Solve for x
    x = 6,772,845.30/3,100.45
  6. Step 6: Final answer
    x = 2,184.47

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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.