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Finding the Fourth Proportional to 1,703.39, 2,553.48 and 1,551.20

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Solution

The fourth proportional to 1,703.39, 2,553.48 and 1,551.20 is: 2,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.39 : 2,553.48 = 1,551.20 : x
  2. Step 2: Convert to fraction form
    1,703.39/2,553.48 = 1,551.20/x
  3. Step 3: Cross multiply
    1,703.39x = 2,553.48 × 1,551.20
  4. Step 4: Simplify right side
    1,703.39x = 3,960,945.41
  5. Step 5: Solve for x
    x = 3,960,945.41/1,703.39
  6. Step 6: Final answer
    x = 2,325.34

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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.