Home / 1,770.29-2,641.97-1,698.76

Finding the Fourth Proportional to 1,770.29, 2,641.97 and 1,698.76

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Solution

The fourth proportional to 1,770.29, 2,641.97 and 1,698.76 is: 2,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.29 : 2,641.97 = 1,698.76 : x
  2. Step 2: Convert to fraction form
    1,770.29/2,641.97 = 1,698.76/x
  3. Step 3: Cross multiply
    1,770.29x = 2,641.97 × 1,698.76
  4. Step 4: Simplify right side
    1,770.29x = 4,488,064.23
  5. Step 5: Solve for x
    x = 4,488,064.23/1,770.29
  6. Step 6: Final answer
    x = 2,535.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.