Home / 3,756.69-5,635.84-1,124.40

Finding the Fourth Proportional to 3,756.69, 5,635.84 and 1,124.40

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Solution

The fourth proportional to 3,756.69, 5,635.84 and 1,124.40 is: 1,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.69 : 5,635.84 = 1,124.40 : x
  2. Step 2: Convert to fraction form
    3,756.69/5,635.84 = 1,124.40/x
  3. Step 3: Cross multiply
    3,756.69x = 5,635.84 × 1,124.40
  4. Step 4: Simplify right side
    3,756.69x = 6,336,938.50
  5. Step 5: Solve for x
    x = 6,336,938.50/3,756.69
  6. Step 6: Final answer
    x = 1,686.84

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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.