Home / 3,133.40-4,699.55-1,283.36

Finding the Fourth Proportional to 3,133.40, 4,699.55 and 1,283.36

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Solution

The fourth proportional to 3,133.40, 4,699.55 and 1,283.36 is: 1,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.40 : 4,699.55 = 1,283.36 : x
  2. Step 2: Convert to fraction form
    3,133.40/4,699.55 = 1,283.36/x
  3. Step 3: Cross multiply
    3,133.40x = 4,699.55 × 1,283.36
  4. Step 4: Simplify right side
    3,133.40x = 6,031,194.20
  5. Step 5: Solve for x
    x = 6,031,194.20/3,133.40
  6. Step 6: Final answer
    x = 1,924.81

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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.