Home / 3,122.01-4,681.81-1,041.61

Finding the Fourth Proportional to 3,122.01, 4,681.81 and 1,041.61

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Solution

The fourth proportional to 3,122.01, 4,681.81 and 1,041.61 is: 1,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.01 : 4,681.81 = 1,041.61 : x
  2. Step 2: Convert to fraction form
    3,122.01/4,681.81 = 1,041.61/x
  3. Step 3: Cross multiply
    3,122.01x = 4,681.81 × 1,041.61
  4. Step 4: Simplify right side
    3,122.01x = 4,876,620.11
  5. Step 5: Solve for x
    x = 4,876,620.11/3,122.01
  6. Step 6: Final answer
    x = 1,562.01

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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.