Home / 2,938.07-4,407.08-2,766.89

Finding the Fourth Proportional to 2,938.07, 4,407.08 and 2,766.89

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Solution

The fourth proportional to 2,938.07, 4,407.08 and 2,766.89 is: 4,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,407.08 = 2,766.89 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,407.08 = 2,766.89/x
  3. Step 3: Cross multiply
    2,938.07x = 4,407.08 × 2,766.89
  4. Step 4: Simplify right side
    2,938.07x = 12,193,869.71
  5. Step 5: Solve for x
    x = 12,193,869.71/2,938.07
  6. Step 6: Final answer
    x = 4,150.31

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1.5x scale

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.