Home / 2,809.26-4,208.47-1,572.91

Finding the Fourth Proportional to 2,809.26, 4,208.47 and 1,572.91

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Solution

The fourth proportional to 2,809.26, 4,208.47 and 1,572.91 is: 2,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.26 : 4,208.47 = 1,572.91 : x
  2. Step 2: Convert to fraction form
    2,809.26/4,208.47 = 1,572.91/x
  3. Step 3: Cross multiply
    2,809.26x = 4,208.47 × 1,572.91
  4. Step 4: Simplify right side
    2,809.26x = 6,619,530.09
  5. Step 5: Solve for x
    x = 6,619,530.09/2,809.26
  6. Step 6: Final answer
    x = 2,356.33

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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.