Home / 3,368.30-5,053.71-1,289.06

Finding the Fourth Proportional to 3,368.30, 5,053.71 and 1,289.06

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Solution

The fourth proportional to 3,368.30, 5,053.71 and 1,289.06 is: 1,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.30 : 5,053.71 = 1,289.06 : x
  2. Step 2: Convert to fraction form
    3,368.30/5,053.71 = 1,289.06/x
  3. Step 3: Cross multiply
    3,368.30x = 5,053.71 × 1,289.06
  4. Step 4: Simplify right side
    3,368.30x = 6,514,535.41
  5. Step 5: Solve for x
    x = 6,514,535.41/3,368.30
  6. Step 6: Final answer
    x = 1,934.07

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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.