Home / 2,805.85-4,203.39-1,569.51

Finding the Fourth Proportional to 2,805.85, 4,203.39 and 1,569.51

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Solution

The fourth proportional to 2,805.85, 4,203.39 and 1,569.51 is: 2,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.85 : 4,203.39 = 1,569.51 : x
  2. Step 2: Convert to fraction form
    2,805.85/4,203.39 = 1,569.51/x
  3. Step 3: Cross multiply
    2,805.85x = 4,203.39 × 1,569.51
  4. Step 4: Simplify right side
    2,805.85x = 6,597,267.58
  5. Step 5: Solve for x
    x = 6,597,267.58/2,805.85
  6. Step 6: Final answer
    x = 2,351.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.