Home / 3,528.12-4,869-2,348.40

Finding the Fourth Proportional to 3,528.12, 4,869 and 2,348.40

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Solution

The fourth proportional to 3,528.12, 4,869 and 2,348.40 is: 3,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.12 : 4,869 = 2,348.40 : x
  2. Step 2: Convert to fraction form
    3,528.12/4,869 = 2,348.40/x
  3. Step 3: Cross multiply
    3,528.12x = 4,869 × 2,348.40
  4. Step 4: Simplify right side
    3,528.12x = 11,434,359.60
  5. Step 5: Solve for x
    x = 11,434,359.60/3,528.12
  6. Step 6: Final answer
    x = 3,240.92

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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.