Home / 4,022.40-6,030.90-1,943.40

Finding the Fourth Proportional to 4,022.40, 6,030.90 and 1,943.40

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Solution

The fourth proportional to 4,022.40, 6,030.90 and 1,943.40 is: 2,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.40 : 6,030.90 = 1,943.40 : x
  2. Step 2: Convert to fraction form
    4,022.40/6,030.90 = 1,943.40/x
  3. Step 3: Cross multiply
    4,022.40x = 6,030.90 × 1,943.40
  4. Step 4: Simplify right side
    4,022.40x = 11,720,451.06
  5. Step 5: Solve for x
    x = 11,720,451.06/4,022.40
  6. Step 6: Final answer
    x = 2,913.80

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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.