Home / 3,590.07-5,384.70-1,249.68

Finding the Fourth Proportional to 3,590.07, 5,384.70 and 1,249.68

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Solution

The fourth proportional to 3,590.07, 5,384.70 and 1,249.68 is: 1,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.07 : 5,384.70 = 1,249.68 : x
  2. Step 2: Convert to fraction form
    3,590.07/5,384.70 = 1,249.68/x
  3. Step 3: Cross multiply
    3,590.07x = 5,384.70 × 1,249.68
  4. Step 4: Simplify right side
    3,590.07x = 6,729,151.90
  5. Step 5: Solve for x
    x = 6,729,151.90/3,590.07
  6. Step 6: Final answer
    x = 1,874.38

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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.