Home / 3,899-5,848.70-1,302.14

Finding the Fourth Proportional to 3,899, 5,848.70 and 1,302.14

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Solution

The fourth proportional to 3,899, 5,848.70 and 1,302.14 is: 1,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899 : 5,848.70 = 1,302.14 : x
  2. Step 2: Convert to fraction form
    3,899/5,848.70 = 1,302.14/x
  3. Step 3: Cross multiply
    3,899x = 5,848.70 × 1,302.14
  4. Step 4: Simplify right side
    3,899x = 7,615,826.22
  5. Step 5: Solve for x
    x = 7,615,826.22/3,899
  6. Step 6: Final answer
    x = 1,953.28

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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.