Home / 2,163.74-2,985.98-1,232.30

Finding the Fourth Proportional to 2,163.74, 2,985.98 and 1,232.30

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Solution

The fourth proportional to 2,163.74, 2,985.98 and 1,232.30 is: 1,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.74 : 2,985.98 = 1,232.30 : x
  2. Step 2: Convert to fraction form
    2,163.74/2,985.98 = 1,232.30/x
  3. Step 3: Cross multiply
    2,163.74x = 2,985.98 × 1,232.30
  4. Step 4: Simplify right side
    2,163.74x = 3,679,623.15
  5. Step 5: Solve for x
    x = 3,679,623.15/2,163.74
  6. Step 6: Final answer
    x = 1,700.58

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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.