Home / 2,046.48-2,819.20-1,690.92

Finding the Fourth Proportional to 2,046.48, 2,819.20 and 1,690.92

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Solution

The fourth proportional to 2,046.48, 2,819.20 and 1,690.92 is: 2,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.48 : 2,819.20 = 1,690.92 : x
  2. Step 2: Convert to fraction form
    2,046.48/2,819.20 = 1,690.92/x
  3. Step 3: Cross multiply
    2,046.48x = 2,819.20 × 1,690.92
  4. Step 4: Simplify right side
    2,046.48x = 4,767,041.66
  5. Step 5: Solve for x
    x = 4,767,041.66/2,046.48
  6. Step 6: Final answer
    x = 2,329.39

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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.