Home / 1,726.55-2,383.70-1,064.30

Finding the Fourth Proportional to 1,726.55, 2,383.70 and 1,064.30

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Solution

The fourth proportional to 1,726.55, 2,383.70 and 1,064.30 is: 1,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.55 : 2,383.70 = 1,064.30 : x
  2. Step 2: Convert to fraction form
    1,726.55/2,383.70 = 1,064.30/x
  3. Step 3: Cross multiply
    1,726.55x = 2,383.70 × 1,064.30
  4. Step 4: Simplify right side
    1,726.55x = 2,536,971.91
  5. Step 5: Solve for x
    x = 2,536,971.91/1,726.55
  6. Step 6: Final answer
    x = 1,469.39

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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.