Home / 3,678.86-5,518.27-1,598.59

Finding the Fourth Proportional to 3,678.86, 5,518.27 and 1,598.59

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Solution

The fourth proportional to 3,678.86, 5,518.27 and 1,598.59 is: 2,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.86 : 5,518.27 = 1,598.59 : x
  2. Step 2: Convert to fraction form
    3,678.86/5,518.27 = 1,598.59/x
  3. Step 3: Cross multiply
    3,678.86x = 5,518.27 × 1,598.59
  4. Step 4: Simplify right side
    3,678.86x = 8,821,451.24
  5. Step 5: Solve for x
    x = 8,821,451.24/3,678.86
  6. Step 6: Final answer
    x = 2,397.88

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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.