Home / 3,015.42-4,515.80-2,088.38

Finding the Fourth Proportional to 3,015.42, 4,515.80 and 2,088.38

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Solution

The fourth proportional to 3,015.42, 4,515.80 and 2,088.38 is: 3,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.42 : 4,515.80 = 2,088.38 : x
  2. Step 2: Convert to fraction form
    3,015.42/4,515.80 = 2,088.38/x
  3. Step 3: Cross multiply
    3,015.42x = 4,515.80 × 2,088.38
  4. Step 4: Simplify right side
    3,015.42x = 9,430,673.38
  5. Step 5: Solve for x
    x = 9,430,673.38/3,015.42
  6. Step 6: Final answer
    x = 3,127.48

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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.