Home / 1,785.67-2,677.54-1,266.69

Finding the Fourth Proportional to 1,785.67, 2,677.54 and 1,266.69

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Solution

The fourth proportional to 1,785.67, 2,677.54 and 1,266.69 is: 1,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.67 : 2,677.54 = 1,266.69 : x
  2. Step 2: Convert to fraction form
    1,785.67/2,677.54 = 1,266.69/x
  3. Step 3: Cross multiply
    1,785.67x = 2,677.54 × 1,266.69
  4. Step 4: Simplify right side
    1,785.67x = 3,391,613.14
  5. Step 5: Solve for x
    x = 3,391,613.14/1,785.67
  6. Step 6: Final answer
    x = 1,899.35

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1.5x scale

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.