Home / 3,458.70-4,767.53-3,172.68

Finding the Fourth Proportional to 3,458.70, 4,767.53 and 3,172.68

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Solution

The fourth proportional to 3,458.70, 4,767.53 and 3,172.68 is: 4,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.70 : 4,767.53 = 3,172.68 : x
  2. Step 2: Convert to fraction form
    3,458.70/4,767.53 = 3,172.68/x
  3. Step 3: Cross multiply
    3,458.70x = 4,767.53 × 3,172.68
  4. Step 4: Simplify right side
    3,458.70x = 15,125,831.22
  5. Step 5: Solve for x
    x = 15,125,831.22/3,458.70
  6. Step 6: Final answer
    x = 4,373.27

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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.