Home / 3,356.16-4,630.81-1,939.34

Finding the Fourth Proportional to 3,356.16, 4,630.81 and 1,939.34

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Solution

The fourth proportional to 3,356.16, 4,630.81 and 1,939.34 is: 2,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.16 : 4,630.81 = 1,939.34 : x
  2. Step 2: Convert to fraction form
    3,356.16/4,630.81 = 1,939.34/x
  3. Step 3: Cross multiply
    3,356.16x = 4,630.81 × 1,939.34
  4. Step 4: Simplify right side
    3,356.16x = 8,980,715.07
  5. Step 5: Solve for x
    x = 8,980,715.07/3,356.16
  6. Step 6: Final answer
    x = 2,675.89

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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.