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Finding the Fourth Proportional to 1,756.90, 2,634.74 and 602.38

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Solution

The fourth proportional to 1,756.90, 2,634.74 and 602.38 is: 903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.90 : 2,634.74 = 602.38 : x
  2. Step 2: Convert to fraction form
    1,756.90/2,634.74 = 602.38/x
  3. Step 3: Cross multiply
    1,756.90x = 2,634.74 × 602.38
  4. Step 4: Simplify right side
    1,756.90x = 1,587,098.50
  5. Step 5: Solve for x
    x = 1,587,098.50/1,756.90
  6. Step 6: Final answer
    x = 903.35

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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.