Home / 2,683.04-3,704.84-1,689.92

Finding the Fourth Proportional to 2,683.04, 3,704.84 and 1,689.92

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Solution

The fourth proportional to 2,683.04, 3,704.84 and 1,689.92 is: 2,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.04 : 3,704.84 = 1,689.92 : x
  2. Step 2: Convert to fraction form
    2,683.04/3,704.84 = 1,689.92/x
  3. Step 3: Cross multiply
    2,683.04x = 3,704.84 × 1,689.92
  4. Step 4: Simplify right side
    2,683.04x = 6,260,883.21
  5. Step 5: Solve for x
    x = 6,260,883.21/2,683.04
  6. Step 6: Final answer
    x = 2,333.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.