Home / 3,368.02-5,052.37-1,289.77

Finding the Fourth Proportional to 3,368.02, 5,052.37 and 1,289.77

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Solution

The fourth proportional to 3,368.02, 5,052.37 and 1,289.77 is: 1,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.02 : 5,052.37 = 1,289.77 : x
  2. Step 2: Convert to fraction form
    3,368.02/5,052.37 = 1,289.77/x
  3. Step 3: Cross multiply
    3,368.02x = 5,052.37 × 1,289.77
  4. Step 4: Simplify right side
    3,368.02x = 6,516,395.25
  5. Step 5: Solve for x
    x = 6,516,395.25/3,368.02
  6. Step 6: Final answer
    x = 1,934.79

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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.