Home / 3,368.34-4,648.77-2,129.94

Finding the Fourth Proportional to 3,368.34, 4,648.77 and 2,129.94

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Solution

The fourth proportional to 3,368.34, 4,648.77 and 2,129.94 is: 2,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.34 : 4,648.77 = 2,129.94 : x
  2. Step 2: Convert to fraction form
    3,368.34/4,648.77 = 2,129.94/x
  3. Step 3: Cross multiply
    3,368.34x = 4,648.77 × 2,129.94
  4. Step 4: Simplify right side
    3,368.34x = 9,901,601.17
  5. Step 5: Solve for x
    x = 9,901,601.17/3,368.34
  6. Step 6: Final answer
    x = 2,939.61

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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.