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Finding the Fourth Proportional to 1,703.79, 2,351.67 and 1,041.06

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Solution

The fourth proportional to 1,703.79, 2,351.67 and 1,041.06 is: 1,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.79 : 2,351.67 = 1,041.06 : x
  2. Step 2: Convert to fraction form
    1,703.79/2,351.67 = 1,041.06/x
  3. Step 3: Cross multiply
    1,703.79x = 2,351.67 × 1,041.06
  4. Step 4: Simplify right side
    1,703.79x = 2,448,229.57
  5. Step 5: Solve for x
    x = 2,448,229.57/1,703.79
  6. Step 6: Final answer
    x = 1,436.93

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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.