Home / 3,569.81-5,340.72-3,154.28

Finding the Fourth Proportional to 3,569.81, 5,340.72 and 3,154.28

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Solution

The fourth proportional to 3,569.81, 5,340.72 and 3,154.28 is: 4,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.81 : 5,340.72 = 3,154.28 : x
  2. Step 2: Convert to fraction form
    3,569.81/5,340.72 = 3,154.28/x
  3. Step 3: Cross multiply
    3,569.81x = 5,340.72 × 3,154.28
  4. Step 4: Simplify right side
    3,569.81x = 16,846,126.28
  5. Step 5: Solve for x
    x = 16,846,126.28/3,569.81
  6. Step 6: Final answer
    x = 4,719.05

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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.