Home / 1,533.45-2,298.81-1,275.57

Finding the Fourth Proportional to 1,533.45, 2,298.81 and 1,275.57

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Solution

The fourth proportional to 1,533.45, 2,298.81 and 1,275.57 is: 1,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.45 : 2,298.81 = 1,275.57 : x
  2. Step 2: Convert to fraction form
    1,533.45/2,298.81 = 1,275.57/x
  3. Step 3: Cross multiply
    1,533.45x = 2,298.81 × 1,275.57
  4. Step 4: Simplify right side
    1,533.45x = 2,932,282.06
  5. Step 5: Solve for x
    x = 2,932,282.06/1,533.45
  6. Step 6: Final answer
    x = 1,912.21

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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.