Home / 3,316.91-4,971.87-1,124.87

Finding the Fourth Proportional to 3,316.91, 4,971.87 and 1,124.87

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Solution

The fourth proportional to 3,316.91, 4,971.87 and 1,124.87 is: 1,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.91 : 4,971.87 = 1,124.87 : x
  2. Step 2: Convert to fraction form
    3,316.91/4,971.87 = 1,124.87/x
  3. Step 3: Cross multiply
    3,316.91x = 4,971.87 × 1,124.87
  4. Step 4: Simplify right side
    3,316.91x = 5,592,682.55
  5. Step 5: Solve for x
    x = 5,592,682.55/3,316.91
  6. Step 6: Final answer
    x = 1,686.11

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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.