Home / 3,382.86-4,671.32-2,126.10

Finding the Fourth Proportional to 3,382.86, 4,671.32 and 2,126.10

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Solution

The fourth proportional to 3,382.86, 4,671.32 and 2,126.10 is: 2,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.86 : 4,671.32 = 2,126.10 : x
  2. Step 2: Convert to fraction form
    3,382.86/4,671.32 = 2,126.10/x
  3. Step 3: Cross multiply
    3,382.86x = 4,671.32 × 2,126.10
  4. Step 4: Simplify right side
    3,382.86x = 9,931,693.45
  5. Step 5: Solve for x
    x = 9,931,693.45/3,382.86
  6. Step 6: Final answer
    x = 2,935.89

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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.