Home / 4,020.78-6,019.65-2,471.34

Finding the Fourth Proportional to 4,020.78, 6,019.65 and 2,471.34

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Solution

The fourth proportional to 4,020.78, 6,019.65 and 2,471.34 is: 3,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.78 : 6,019.65 = 2,471.34 : x
  2. Step 2: Convert to fraction form
    4,020.78/6,019.65 = 2,471.34/x
  3. Step 3: Cross multiply
    4,020.78x = 6,019.65 × 2,471.34
  4. Step 4: Simplify right side
    4,020.78x = 14,876,601.83
  5. Step 5: Solve for x
    x = 14,876,601.83/4,020.78
  6. Step 6: Final answer
    x = 3,699.93

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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.