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Finding the Fourth Proportional to 2,750.40, 3,794.40 and 1,701.72

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Solution

The fourth proportional to 2,750.40, 3,794.40 and 1,701.72 is: 2,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.40 : 3,794.40 = 1,701.72 : x
  2. Step 2: Convert to fraction form
    2,750.40/3,794.40 = 1,701.72/x
  3. Step 3: Cross multiply
    2,750.40x = 3,794.40 × 1,701.72
  4. Step 4: Simplify right side
    2,750.40x = 6,457,006.37
  5. Step 5: Solve for x
    x = 6,457,006.37/2,750.40
  6. Step 6: Final answer
    x = 2,347.66

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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.