Home / 3,127.46-4,688.85-1,046.23

Finding the Fourth Proportional to 3,127.46, 4,688.85 and 1,046.23

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Solution

The fourth proportional to 3,127.46, 4,688.85 and 1,046.23 is: 1,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.46 : 4,688.85 = 1,046.23 : x
  2. Step 2: Convert to fraction form
    3,127.46/4,688.85 = 1,046.23/x
  3. Step 3: Cross multiply
    3,127.46x = 4,688.85 × 1,046.23
  4. Step 4: Simplify right side
    3,127.46x = 4,905,615.54
  5. Step 5: Solve for x
    x = 4,905,615.54/3,127.46
  6. Step 6: Final answer
    x = 1,568.56

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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.