Home / 2,426.64-3,348.54-1,378.50

Finding the Fourth Proportional to 2,426.64, 3,348.54 and 1,378.50

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Solution

The fourth proportional to 2,426.64, 3,348.54 and 1,378.50 is: 1,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.64 : 3,348.54 = 1,378.50 : x
  2. Step 2: Convert to fraction form
    2,426.64/3,348.54 = 1,378.50/x
  3. Step 3: Cross multiply
    2,426.64x = 3,348.54 × 1,378.50
  4. Step 4: Simplify right side
    2,426.64x = 4,615,962.39
  5. Step 5: Solve for x
    x = 4,615,962.39/2,426.64
  6. Step 6: Final answer
    x = 1,902.20

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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.