Home / 2,818.47-4,228.09-1,174.63

Finding the Fourth Proportional to 2,818.47, 4,228.09 and 1,174.63

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Solution

The fourth proportional to 2,818.47, 4,228.09 and 1,174.63 is: 1,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.47 : 4,228.09 = 1,174.63 : x
  2. Step 2: Convert to fraction form
    2,818.47/4,228.09 = 1,174.63/x
  3. Step 3: Cross multiply
    2,818.47x = 4,228.09 × 1,174.63
  4. Step 4: Simplify right side
    2,818.47x = 4,966,453.95
  5. Step 5: Solve for x
    x = 4,966,453.95/2,818.47
  6. Step 6: Final answer
    x = 1,762.11

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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.