Home / 2,528.25-3,489.35-2,417.55

Finding the Fourth Proportional to 2,528.25, 3,489.35 and 2,417.55

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Solution

The fourth proportional to 2,528.25, 3,489.35 and 2,417.55 is: 3,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.25 : 3,489.35 = 2,417.55 : x
  2. Step 2: Convert to fraction form
    2,528.25/3,489.35 = 2,417.55/x
  3. Step 3: Cross multiply
    2,528.25x = 3,489.35 × 2,417.55
  4. Step 4: Simplify right side
    2,528.25x = 8,435,666.00
  5. Step 5: Solve for x
    x = 8,435,666.00/2,528.25
  6. Step 6: Final answer
    x = 3,336.56

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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.