Home / 2,474.70-3,415.40-1,426.76

Finding the Fourth Proportional to 2,474.70, 3,415.40 and 1,426.76

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Solution

The fourth proportional to 2,474.70, 3,415.40 and 1,426.76 is: 1,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.70 : 3,415.40 = 1,426.76 : x
  2. Step 2: Convert to fraction form
    2,474.70/3,415.40 = 1,426.76/x
  3. Step 3: Cross multiply
    2,474.70x = 3,415.40 × 1,426.76
  4. Step 4: Simplify right side
    2,474.70x = 4,872,956.10
  5. Step 5: Solve for x
    x = 4,872,956.10/2,474.70
  6. Step 6: Final answer
    x = 1,969.11

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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.