Home / 3,528.65-5,290.83-2,431.81

Finding the Fourth Proportional to 3,528.65, 5,290.83 and 2,431.81

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Solution

The fourth proportional to 3,528.65, 5,290.83 and 2,431.81 is: 3,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.65 : 5,290.83 = 2,431.81 : x
  2. Step 2: Convert to fraction form
    3,528.65/5,290.83 = 2,431.81/x
  3. Step 3: Cross multiply
    3,528.65x = 5,290.83 × 2,431.81
  4. Step 4: Simplify right side
    3,528.65x = 12,866,293.30
  5. Step 5: Solve for x
    x = 12,866,293.30/3,528.65
  6. Step 6: Final answer
    x = 3,646.24

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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.