Home / 1,769.54-2,638.85-1,551.17

Finding the Fourth Proportional to 1,769.54, 2,638.85 and 1,551.17

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Solution

The fourth proportional to 1,769.54, 2,638.85 and 1,551.17 is: 2,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.54 : 2,638.85 = 1,551.17 : x
  2. Step 2: Convert to fraction form
    1,769.54/2,638.85 = 1,551.17/x
  3. Step 3: Cross multiply
    1,769.54x = 2,638.85 × 1,551.17
  4. Step 4: Simplify right side
    1,769.54x = 4,093,315.43
  5. Step 5: Solve for x
    x = 4,093,315.43/1,769.54
  6. Step 6: Final answer
    x = 2,313.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.