Home / 3,790.18-5,684.40-1,709.02

Finding the Fourth Proportional to 3,790.18, 5,684.40 and 1,709.02

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Solution

The fourth proportional to 3,790.18, 5,684.40 and 1,709.02 is: 2,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.18 : 5,684.40 = 1,709.02 : x
  2. Step 2: Convert to fraction form
    3,790.18/5,684.40 = 1,709.02/x
  3. Step 3: Cross multiply
    3,790.18x = 5,684.40 × 1,709.02
  4. Step 4: Simplify right side
    3,790.18x = 9,714,753.29
  5. Step 5: Solve for x
    x = 9,714,753.29/3,790.18
  6. Step 6: Final answer
    x = 2,563.14

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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.