Home / 3,542.79-5,314.83-1,568.40

Finding the Fourth Proportional to 3,542.79, 5,314.83 and 1,568.40

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Solution

The fourth proportional to 3,542.79, 5,314.83 and 1,568.40 is: 2,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.79 : 5,314.83 = 1,568.40 : x
  2. Step 2: Convert to fraction form
    3,542.79/5,314.83 = 1,568.40/x
  3. Step 3: Cross multiply
    3,542.79x = 5,314.83 × 1,568.40
  4. Step 4: Simplify right side
    3,542.79x = 8,335,779.37
  5. Step 5: Solve for x
    x = 8,335,779.37/3,542.79
  6. Step 6: Final answer
    x = 2,352.89

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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.