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Finding the Fourth Proportional to 1,598.62, 2,393.93 and 1,011.85

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Solution

The fourth proportional to 1,598.62, 2,393.93 and 1,011.85 is: 1,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.62 : 2,393.93 = 1,011.85 : x
  2. Step 2: Convert to fraction form
    1,598.62/2,393.93 = 1,011.85/x
  3. Step 3: Cross multiply
    1,598.62x = 2,393.93 × 1,011.85
  4. Step 4: Simplify right side
    1,598.62x = 2,422,308.60
  5. Step 5: Solve for x
    x = 2,422,308.60/1,598.62
  6. Step 6: Final answer
    x = 1,515.25

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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.