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Finding the Fourth Proportional to 1,597.77, 2,397.06 and 623.57

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Solution

The fourth proportional to 1,597.77, 2,397.06 and 623.57 is: 935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.77 : 2,397.06 = 623.57 : x
  2. Step 2: Convert to fraction form
    1,597.77/2,397.06 = 623.57/x
  3. Step 3: Cross multiply
    1,597.77x = 2,397.06 × 623.57
  4. Step 4: Simplify right side
    1,597.77x = 1,494,722.72
  5. Step 5: Solve for x
    x = 1,494,722.72/1,597.77
  6. Step 6: Final answer
    x = 935.51

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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.