Home / 3,354.15-4,628.70-1,937.81

Finding the Fourth Proportional to 3,354.15, 4,628.70 and 1,937.81

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Solution

The fourth proportional to 3,354.15, 4,628.70 and 1,937.81 is: 2,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.15 : 4,628.70 = 1,937.81 : x
  2. Step 2: Convert to fraction form
    3,354.15/4,628.70 = 1,937.81/x
  3. Step 3: Cross multiply
    3,354.15x = 4,628.70 × 1,937.81
  4. Step 4: Simplify right side
    3,354.15x = 8,969,541.15
  5. Step 5: Solve for x
    x = 8,969,541.15/3,354.15
  6. Step 6: Final answer
    x = 2,674.16

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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.