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Finding the Fourth Proportional to 1,737.12, 2,604.98 and 626.22

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Solution

The fourth proportional to 1,737.12, 2,604.98 and 626.22 is: 939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.12 : 2,604.98 = 626.22 : x
  2. Step 2: Convert to fraction form
    1,737.12/2,604.98 = 626.22/x
  3. Step 3: Cross multiply
    1,737.12x = 2,604.98 × 626.22
  4. Step 4: Simplify right side
    1,737.12x = 1,631,290.58
  5. Step 5: Solve for x
    x = 1,631,290.58/1,737.12
  6. Step 6: Final answer
    x = 939.08

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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.