Home / 3,468.28-4,785.90-2,141.68

Finding the Fourth Proportional to 3,468.28, 4,785.90 and 2,141.68

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Solution

The fourth proportional to 3,468.28, 4,785.90 and 2,141.68 is: 2,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.28 : 4,785.90 = 2,141.68 : x
  2. Step 2: Convert to fraction form
    3,468.28/4,785.90 = 2,141.68/x
  3. Step 3: Cross multiply
    3,468.28x = 4,785.90 × 2,141.68
  4. Step 4: Simplify right side
    3,468.28x = 10,249,866.31
  5. Step 5: Solve for x
    x = 10,249,866.31/3,468.28
  6. Step 6: Final answer
    x = 2,955.32

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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.