Home / 2,156.07-3,232.71-1,461.70

Finding the Fourth Proportional to 2,156.07, 3,232.71 and 1,461.70

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Solution

The fourth proportional to 2,156.07, 3,232.71 and 1,461.70 is: 2,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.07 : 3,232.71 = 1,461.70 : x
  2. Step 2: Convert to fraction form
    2,156.07/3,232.71 = 1,461.70/x
  3. Step 3: Cross multiply
    2,156.07x = 3,232.71 × 1,461.70
  4. Step 4: Simplify right side
    2,156.07x = 4,725,238.06
  5. Step 5: Solve for x
    x = 4,725,238.06/2,156.07
  6. Step 6: Final answer
    x = 2,191.60

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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.