Home / 2,683.80-3,701.34-2,528.28

Finding the Fourth Proportional to 2,683.80, 3,701.34 and 2,528.28

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Solution

The fourth proportional to 2,683.80, 3,701.34 and 2,528.28 is: 3,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.80 : 3,701.34 = 2,528.28 : x
  2. Step 2: Convert to fraction form
    2,683.80/3,701.34 = 2,528.28/x
  3. Step 3: Cross multiply
    2,683.80x = 3,701.34 × 2,528.28
  4. Step 4: Simplify right side
    2,683.80x = 9,358,023.90
  5. Step 5: Solve for x
    x = 9,358,023.90/2,683.80
  6. Step 6: Final answer
    x = 3,486.86

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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.