Home / 1,594.22-2,198.80-1,397.39

Finding the Fourth Proportional to 1,594.22, 2,198.80 and 1,397.39

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Solution

The fourth proportional to 1,594.22, 2,198.80 and 1,397.39 is: 1,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.22 : 2,198.80 = 1,397.39 : x
  2. Step 2: Convert to fraction form
    1,594.22/2,198.80 = 1,397.39/x
  3. Step 3: Cross multiply
    1,594.22x = 2,198.80 × 1,397.39
  4. Step 4: Simplify right side
    1,594.22x = 3,072,581.13
  5. Step 5: Solve for x
    x = 3,072,581.13/1,594.22
  6. Step 6: Final answer
    x = 1,927.33

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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.