Home / 2,253.74-3,378.30-1,521.58

Finding the Fourth Proportional to 2,253.74, 3,378.30 and 1,521.58

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Solution

The fourth proportional to 2,253.74, 3,378.30 and 1,521.58 is: 2,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.74 : 3,378.30 = 1,521.58 : x
  2. Step 2: Convert to fraction form
    2,253.74/3,378.30 = 1,521.58/x
  3. Step 3: Cross multiply
    2,253.74x = 3,378.30 × 1,521.58
  4. Step 4: Simplify right side
    2,253.74x = 5,140,353.71
  5. Step 5: Solve for x
    x = 5,140,353.71/2,253.74
  6. Step 6: Final answer
    x = 2,280.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.