Home / 3,415.28-4,707.54-2,667.93

Finding the Fourth Proportional to 3,415.28, 4,707.54 and 2,667.93

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Solution

The fourth proportional to 3,415.28, 4,707.54 and 2,667.93 is: 3,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.28 : 4,707.54 = 2,667.93 : x
  2. Step 2: Convert to fraction form
    3,415.28/4,707.54 = 2,667.93/x
  3. Step 3: Cross multiply
    3,415.28x = 4,707.54 × 2,667.93
  4. Step 4: Simplify right side
    3,415.28x = 12,559,387.19
  5. Step 5: Solve for x
    x = 12,559,387.19/3,415.28
  6. Step 6: Final answer
    x = 3,677.42

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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.