Home / 2,528.09-3,488.45-1,408.95

Finding the Fourth Proportional to 2,528.09, 3,488.45 and 1,408.95

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Solution

The fourth proportional to 2,528.09, 3,488.45 and 1,408.95 is: 1,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.09 : 3,488.45 = 1,408.95 : x
  2. Step 2: Convert to fraction form
    2,528.09/3,488.45 = 1,408.95/x
  3. Step 3: Cross multiply
    2,528.09x = 3,488.45 × 1,408.95
  4. Step 4: Simplify right side
    2,528.09x = 4,915,044.58
  5. Step 5: Solve for x
    x = 4,915,044.58/2,528.09
  6. Step 6: Final answer
    x = 1,944.17

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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.