Home / 2,417.94-3,343.46-1,919.70

Finding the Fourth Proportional to 2,417.94, 3,343.46 and 1,919.70

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Solution

The fourth proportional to 2,417.94, 3,343.46 and 1,919.70 is: 2,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.94 : 3,343.46 = 1,919.70 : x
  2. Step 2: Convert to fraction form
    2,417.94/3,343.46 = 1,919.70/x
  3. Step 3: Cross multiply
    2,417.94x = 3,343.46 × 1,919.70
  4. Step 4: Simplify right side
    2,417.94x = 6,418,430.56
  5. Step 5: Solve for x
    x = 6,418,430.56/2,417.94
  6. Step 6: Final answer
    x = 2,654.50

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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.