Home / 3,898.51-5,848.70-1,125.14

Finding the Fourth Proportional to 3,898.51, 5,848.70 and 1,125.14

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Solution

The fourth proportional to 3,898.51, 5,848.70 and 1,125.14 is: 1,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.51 : 5,848.70 = 1,125.14 : x
  2. Step 2: Convert to fraction form
    3,898.51/5,848.70 = 1,125.14/x
  3. Step 3: Cross multiply
    3,898.51x = 5,848.70 × 1,125.14
  4. Step 4: Simplify right side
    3,898.51x = 6,580,606.32
  5. Step 5: Solve for x
    x = 6,580,606.32/3,898.51
  6. Step 6: Final answer
    x = 1,687.98

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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.