Home / 3,903.67-5,386.94-2,330.83

Finding the Fourth Proportional to 3,903.67, 5,386.94 and 2,330.83

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Solution

The fourth proportional to 3,903.67, 5,386.94 and 2,330.83 is: 3,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.67 : 5,386.94 = 2,330.83 : x
  2. Step 2: Convert to fraction form
    3,903.67/5,386.94 = 2,330.83/x
  3. Step 3: Cross multiply
    3,903.67x = 5,386.94 × 2,330.83
  4. Step 4: Simplify right side
    3,903.67x = 12,556,029.71
  5. Step 5: Solve for x
    x = 12,556,029.71/3,903.67
  6. Step 6: Final answer
    x = 3,216.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.