Home / 2,988.36-4,483.30-1,756.82

Finding the Fourth Proportional to 2,988.36, 4,483.30 and 1,756.82

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Solution

The fourth proportional to 2,988.36, 4,483.30 and 1,756.82 is: 2,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.36 : 4,483.30 = 1,756.82 : x
  2. Step 2: Convert to fraction form
    2,988.36/4,483.30 = 1,756.82/x
  3. Step 3: Cross multiply
    2,988.36x = 4,483.30 × 1,756.82
  4. Step 4: Simplify right side
    2,988.36x = 7,876,351.11
  5. Step 5: Solve for x
    x = 7,876,351.11/2,988.36
  6. Step 6: Final answer
    x = 2,635.68

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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.