Home / 1,785.03-2,681.66-1,266.32

Finding the Fourth Proportional to 1,785.03, 2,681.66 and 1,266.32

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Solution

The fourth proportional to 1,785.03, 2,681.66 and 1,266.32 is: 1,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.03 : 2,681.66 = 1,266.32 : x
  2. Step 2: Convert to fraction form
    1,785.03/2,681.66 = 1,266.32/x
  3. Step 3: Cross multiply
    1,785.03x = 2,681.66 × 1,266.32
  4. Step 4: Simplify right side
    1,785.03x = 3,395,839.69
  5. Step 5: Solve for x
    x = 3,395,839.69/1,785.03
  6. Step 6: Final answer
    x = 1,902.40

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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.