Home / 1,857.23-2,562.39-1,192.89

Finding the Fourth Proportional to 1,857.23, 2,562.39 and 1,192.89

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Solution

The fourth proportional to 1,857.23, 2,562.39 and 1,192.89 is: 1,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.23 : 2,562.39 = 1,192.89 : x
  2. Step 2: Convert to fraction form
    1,857.23/2,562.39 = 1,192.89/x
  3. Step 3: Cross multiply
    1,857.23x = 2,562.39 × 1,192.89
  4. Step 4: Simplify right side
    1,857.23x = 3,056,649.41
  5. Step 5: Solve for x
    x = 3,056,649.41/1,857.23
  6. Step 6: Final answer
    x = 1,645.82

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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.