Home / 4,013.78-6,019.10-1,608.75

Finding the Fourth Proportional to 4,013.78, 6,019.10 and 1,608.75

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Solution

The fourth proportional to 4,013.78, 6,019.10 and 1,608.75 is: 2,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.78 : 6,019.10 = 1,608.75 : x
  2. Step 2: Convert to fraction form
    4,013.78/6,019.10 = 1,608.75/x
  3. Step 3: Cross multiply
    4,013.78x = 6,019.10 × 1,608.75
  4. Step 4: Simplify right side
    4,013.78x = 9,683,219.08
  5. Step 5: Solve for x
    x = 9,683,219.08/4,013.78
  6. Step 6: Final answer
    x = 2,412.50

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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.