Home / 2,137.66-2,947.59-1,753.23

Finding the Fourth Proportional to 2,137.66, 2,947.59 and 1,753.23

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Solution

The fourth proportional to 2,137.66, 2,947.59 and 1,753.23 is: 2,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.66 : 2,947.59 = 1,753.23 : x
  2. Step 2: Convert to fraction form
    2,137.66/2,947.59 = 1,753.23/x
  3. Step 3: Cross multiply
    2,137.66x = 2,947.59 × 1,753.23
  4. Step 4: Simplify right side
    2,137.66x = 5,167,803.22
  5. Step 5: Solve for x
    x = 5,167,803.22/2,137.66
  6. Step 6: Final answer
    x = 2,417.50

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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.