Home / 3,162.15-4,737.89-1,515.09

Finding the Fourth Proportional to 3,162.15, 4,737.89 and 1,515.09

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Solution

The fourth proportional to 3,162.15, 4,737.89 and 1,515.09 is: 2,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.15 : 4,737.89 = 1,515.09 : x
  2. Step 2: Convert to fraction form
    3,162.15/4,737.89 = 1,515.09/x
  3. Step 3: Cross multiply
    3,162.15x = 4,737.89 × 1,515.09
  4. Step 4: Simplify right side
    3,162.15x = 7,178,322.18
  5. Step 5: Solve for x
    x = 7,178,322.18/3,162.15
  6. Step 6: Final answer
    x = 2,270.08

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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.