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Finding the Fourth Proportional to 1,898.45, 2,848.10 and 599.84

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Solution

The fourth proportional to 1,898.45, 2,848.10 and 599.84 is: 899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.45 : 2,848.10 = 599.84 : x
  2. Step 2: Convert to fraction form
    1,898.45/2,848.10 = 599.84/x
  3. Step 3: Cross multiply
    1,898.45x = 2,848.10 × 599.84
  4. Step 4: Simplify right side
    1,898.45x = 1,708,387.06
  5. Step 5: Solve for x
    x = 1,708,387.06/1,898.45
  6. Step 6: Final answer
    x = 899.89

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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.