Home / 1,726.25-2,383.63-1,407.27

Finding the Fourth Proportional to 1,726.25, 2,383.63 and 1,407.27

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Solution

The fourth proportional to 1,726.25, 2,383.63 and 1,407.27 is: 1,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.25 : 2,383.63 = 1,407.27 : x
  2. Step 2: Convert to fraction form
    1,726.25/2,383.63 = 1,407.27/x
  3. Step 3: Cross multiply
    1,726.25x = 2,383.63 × 1,407.27
  4. Step 4: Simplify right side
    1,726.25x = 3,354,403.00
  5. Step 5: Solve for x
    x = 3,354,403.00/1,726.25
  6. Step 6: Final answer
    x = 1,943.17

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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.