Home / 2,630.84-3,629.34-1,747.22

Finding the Fourth Proportional to 2,630.84, 3,629.34 and 1,747.22

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Solution

The fourth proportional to 2,630.84, 3,629.34 and 1,747.22 is: 2,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.84 : 3,629.34 = 1,747.22 : x
  2. Step 2: Convert to fraction form
    2,630.84/3,629.34 = 1,747.22/x
  3. Step 3: Cross multiply
    2,630.84x = 3,629.34 × 1,747.22
  4. Step 4: Simplify right side
    2,630.84x = 6,341,237.29
  5. Step 5: Solve for x
    x = 6,341,237.29/2,630.84
  6. Step 6: Final answer
    x = 2,410.35

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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.