Home / 3,790.21-5,686.07-1,598.93

Finding the Fourth Proportional to 3,790.21, 5,686.07 and 1,598.93

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Solution

The fourth proportional to 3,790.21, 5,686.07 and 1,598.93 is: 2,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.21 : 5,686.07 = 1,598.93 : x
  2. Step 2: Convert to fraction form
    3,790.21/5,686.07 = 1,598.93/x
  3. Step 3: Cross multiply
    3,790.21x = 5,686.07 × 1,598.93
  4. Step 4: Simplify right side
    3,790.21x = 9,091,627.91
  5. Step 5: Solve for x
    x = 9,091,627.91/3,790.21
  6. Step 6: Final answer
    x = 2,398.71

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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.