Home / 3,570.84-5,356.28-1,105.61

Finding the Fourth Proportional to 3,570.84, 5,356.28 and 1,105.61

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Solution

The fourth proportional to 3,570.84, 5,356.28 and 1,105.61 is: 1,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.84 : 5,356.28 = 1,105.61 : x
  2. Step 2: Convert to fraction form
    3,570.84/5,356.28 = 1,105.61/x
  3. Step 3: Cross multiply
    3,570.84x = 5,356.28 × 1,105.61
  4. Step 4: Simplify right side
    3,570.84x = 5,921,924.42
  5. Step 5: Solve for x
    x = 5,921,924.42/3,570.84
  6. Step 6: Final answer
    x = 1,658.41

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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.