Home / 2,988.50-4,483.41-1,040.66

Finding the Fourth Proportional to 2,988.50, 4,483.41 and 1,040.66

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Solution

The fourth proportional to 2,988.50, 4,483.41 and 1,040.66 is: 1,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.50 : 4,483.41 = 1,040.66 : x
  2. Step 2: Convert to fraction form
    2,988.50/4,483.41 = 1,040.66/x
  3. Step 3: Cross multiply
    2,988.50x = 4,483.41 × 1,040.66
  4. Step 4: Simplify right side
    2,988.50x = 4,665,705.45
  5. Step 5: Solve for x
    x = 4,665,705.45/2,988.50
  6. Step 6: Final answer
    x = 1,561.22

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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.