Home / 2,472.18-3,722.83-1,783.70

Finding the Fourth Proportional to 2,472.18, 3,722.83 and 1,783.70

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Solution

The fourth proportional to 2,472.18, 3,722.83 and 1,783.70 is: 2,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.18 : 3,722.83 = 1,783.70 : x
  2. Step 2: Convert to fraction form
    2,472.18/3,722.83 = 1,783.70/x
  3. Step 3: Cross multiply
    2,472.18x = 3,722.83 × 1,783.70
  4. Step 4: Simplify right side
    2,472.18x = 6,640,411.87
  5. Step 5: Solve for x
    x = 6,640,411.87/2,472.18
  6. Step 6: Final answer
    x = 2,686.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.