Home / 3,012.10-4,515.54-1,451.32

Finding the Fourth Proportional to 3,012.10, 4,515.54 and 1,451.32

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Solution

The fourth proportional to 3,012.10, 4,515.54 and 1,451.32 is: 2,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.10 : 4,515.54 = 1,451.32 : x
  2. Step 2: Convert to fraction form
    3,012.10/4,515.54 = 1,451.32/x
  3. Step 3: Cross multiply
    3,012.10x = 4,515.54 × 1,451.32
  4. Step 4: Simplify right side
    3,012.10x = 6,553,493.51
  5. Step 5: Solve for x
    x = 6,553,493.51/3,012.10
  6. Step 6: Final answer
    x = 2,175.72

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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.