Home / 1,785.68-2,461.80-1,186.94

Finding the Fourth Proportional to 1,785.68, 2,461.80 and 1,186.94

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Solution

The fourth proportional to 1,785.68, 2,461.80 and 1,186.94 is: 1,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.68 : 2,461.80 = 1,186.94 : x
  2. Step 2: Convert to fraction form
    1,785.68/2,461.80 = 1,186.94/x
  3. Step 3: Cross multiply
    1,785.68x = 2,461.80 × 1,186.94
  4. Step 4: Simplify right side
    1,785.68x = 2,922,008.89
  5. Step 5: Solve for x
    x = 2,922,008.89/1,785.68
  6. Step 6: Final answer
    x = 1,636.36

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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.