Home / 2,426.19-3,347.77-1,378.23

Finding the Fourth Proportional to 2,426.19, 3,347.77 and 1,378.23

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Solution

The fourth proportional to 2,426.19, 3,347.77 and 1,378.23 is: 1,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.19 : 3,347.77 = 1,378.23 : x
  2. Step 2: Convert to fraction form
    2,426.19/3,347.77 = 1,378.23/x
  3. Step 3: Cross multiply
    2,426.19x = 3,347.77 × 1,378.23
  4. Step 4: Simplify right side
    2,426.19x = 4,613,997.05
  5. Step 5: Solve for x
    x = 4,613,997.05/2,426.19
  6. Step 6: Final answer
    x = 1,901.75

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Half scale
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Double scale
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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.