Home / 2,116.36-3,174.46-556.35

Finding the Fourth Proportional to 2,116.36, 3,174.46 and 556.35

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Solution

The fourth proportional to 2,116.36, 3,174.46 and 556.35 is: 834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.36 : 3,174.46 = 556.35 : x
  2. Step 2: Convert to fraction form
    2,116.36/3,174.46 = 556.35/x
  3. Step 3: Cross multiply
    2,116.36x = 3,174.46 × 556.35
  4. Step 4: Simplify right side
    2,116.36x = 1,766,108.04
  5. Step 5: Solve for x
    x = 1,766,108.04/2,116.36
  6. Step 6: Final answer
    x = 834.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.