Home / 3,148.16-4,344.49-1,731.81

Finding the Fourth Proportional to 3,148.16, 4,344.49 and 1,731.81

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Solution

The fourth proportional to 3,148.16, 4,344.49 and 1,731.81 is: 2,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.16 : 4,344.49 = 1,731.81 : x
  2. Step 2: Convert to fraction form
    3,148.16/4,344.49 = 1,731.81/x
  3. Step 3: Cross multiply
    3,148.16x = 4,344.49 × 1,731.81
  4. Step 4: Simplify right side
    3,148.16x = 7,523,831.23
  5. Step 5: Solve for x
    x = 7,523,831.23/3,148.16
  6. Step 6: Final answer
    x = 2,389.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.