Home / 3,126.22-4,688.39-1,045.69

Finding the Fourth Proportional to 3,126.22, 4,688.39 and 1,045.69

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Solution

The fourth proportional to 3,126.22, 4,688.39 and 1,045.69 is: 1,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.22 : 4,688.39 = 1,045.69 : x
  2. Step 2: Convert to fraction form
    3,126.22/4,688.39 = 1,045.69/x
  3. Step 3: Cross multiply
    3,126.22x = 4,688.39 × 1,045.69
  4. Step 4: Simplify right side
    3,126.22x = 4,902,597.31
  5. Step 5: Solve for x
    x = 4,902,597.31/3,126.22
  6. Step 6: Final answer
    x = 1,568.22

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1.5x scale

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.