Home / 3,385.67-4,667.63-2,893.59

Finding the Fourth Proportional to 3,385.67, 4,667.63 and 2,893.59

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Solution

The fourth proportional to 3,385.67, 4,667.63 and 2,893.59 is: 3,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.67 : 4,667.63 = 2,893.59 : x
  2. Step 2: Convert to fraction form
    3,385.67/4,667.63 = 2,893.59/x
  3. Step 3: Cross multiply
    3,385.67x = 4,667.63 × 2,893.59
  4. Step 4: Simplify right side
    3,385.67x = 13,506,193.02
  5. Step 5: Solve for x
    x = 13,506,193.02/3,385.67
  6. Step 6: Final answer
    x = 3,989.23

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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.