Home / 2,285.21-3,153.59-1,237.27

Finding the Fourth Proportional to 2,285.21, 3,153.59 and 1,237.27

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Solution

The fourth proportional to 2,285.21, 3,153.59 and 1,237.27 is: 1,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.21 : 3,153.59 = 1,237.27 : x
  2. Step 2: Convert to fraction form
    2,285.21/3,153.59 = 1,237.27/x
  3. Step 3: Cross multiply
    2,285.21x = 3,153.59 × 1,237.27
  4. Step 4: Simplify right side
    2,285.21x = 3,901,826.53
  5. Step 5: Solve for x
    x = 3,901,826.53/2,285.21
  6. Step 6: Final answer
    x = 1,707.43

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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.