Home / 2,512.08-3,458.16-2,069.28

Finding the Fourth Proportional to 2,512.08, 3,458.16 and 2,069.28

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Solution

The fourth proportional to 2,512.08, 3,458.16 and 2,069.28 is: 2,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.08 : 3,458.16 = 2,069.28 : x
  2. Step 2: Convert to fraction form
    2,512.08/3,458.16 = 2,069.28/x
  3. Step 3: Cross multiply
    2,512.08x = 3,458.16 × 2,069.28
  4. Step 4: Simplify right side
    2,512.08x = 7,155,901.32
  5. Step 5: Solve for x
    x = 7,155,901.32/2,512.08
  6. Step 6: Final answer
    x = 2,848.60

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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.