Home / 1,785.23-2,679.38-1,006.00

Finding the Fourth Proportional to 1,785.23, 2,679.38 and 1,006.00

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Solution

The fourth proportional to 1,785.23, 2,679.38 and 1,006.00 is: 1,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.23 : 2,679.38 = 1,006.00 : x
  2. Step 2: Convert to fraction form
    1,785.23/2,679.38 = 1,006.00/x
  3. Step 3: Cross multiply
    1,785.23x = 2,679.38 × 1,006.00
  4. Step 4: Simplify right side
    1,785.23x = 2,695,459.01
  5. Step 5: Solve for x
    x = 2,695,459.01/1,785.23
  6. Step 6: Final answer
    x = 1,509.87

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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.