Home / 4,030.78-6,039.01-1,685.61

Finding the Fourth Proportional to 4,030.78, 6,039.01 and 1,685.61

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Solution

The fourth proportional to 4,030.78, 6,039.01 and 1,685.61 is: 2,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.78 : 6,039.01 = 1,685.61 : x
  2. Step 2: Convert to fraction form
    4,030.78/6,039.01 = 1,685.61/x
  3. Step 3: Cross multiply
    4,030.78x = 6,039.01 × 1,685.61
  4. Step 4: Simplify right side
    4,030.78x = 10,179,415.65
  5. Step 5: Solve for x
    x = 10,179,415.65/4,030.78
  6. Step 6: Final answer
    x = 2,525.42

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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.