Home / 3,184.29-4,749.33-3,128.94

Finding the Fourth Proportional to 3,184.29, 4,749.33 and 3,128.94

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Solution

The fourth proportional to 3,184.29, 4,749.33 and 3,128.94 is: 4,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.29 : 4,749.33 = 3,128.94 : x
  2. Step 2: Convert to fraction form
    3,184.29/4,749.33 = 3,128.94/x
  3. Step 3: Cross multiply
    3,184.29x = 4,749.33 × 3,128.94
  4. Step 4: Simplify right side
    3,184.29x = 14,860,368.61
  5. Step 5: Solve for x
    x = 14,860,368.61/3,184.29
  6. Step 6: Final answer
    x = 4,666.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.