Home / 3,569.44-4,931.78-3,172.94

Finding the Fourth Proportional to 3,569.44, 4,931.78 and 3,172.94

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Solution

The fourth proportional to 3,569.44, 4,931.78 and 3,172.94 is: 4,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.44 : 4,931.78 = 3,172.94 : x
  2. Step 2: Convert to fraction form
    3,569.44/4,931.78 = 3,172.94/x
  3. Step 3: Cross multiply
    3,569.44x = 4,931.78 × 3,172.94
  4. Step 4: Simplify right side
    3,569.44x = 15,648,242.03
  5. Step 5: Solve for x
    x = 15,648,242.03/3,569.44
  6. Step 6: Final answer
    x = 4,383.95

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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.