Home / 3,713.58-5,570.64-1,118.34

Finding the Fourth Proportional to 3,713.58, 5,570.64 and 1,118.34

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Solution

The fourth proportional to 3,713.58, 5,570.64 and 1,118.34 is: 1,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.58 : 5,570.64 = 1,118.34 : x
  2. Step 2: Convert to fraction form
    3,713.58/5,570.64 = 1,118.34/x
  3. Step 3: Cross multiply
    3,713.58x = 5,570.64 × 1,118.34
  4. Step 4: Simplify right side
    3,713.58x = 6,229,869.54
  5. Step 5: Solve for x
    x = 6,229,869.54/3,713.58
  6. Step 6: Final answer
    x = 1,677.59

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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.