Home / 2,275.57-3,141.47-1,533.43

Finding the Fourth Proportional to 2,275.57, 3,141.47 and 1,533.43

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Solution

The fourth proportional to 2,275.57, 3,141.47 and 1,533.43 is: 2,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.57 : 3,141.47 = 1,533.43 : x
  2. Step 2: Convert to fraction form
    2,275.57/3,141.47 = 1,533.43/x
  3. Step 3: Cross multiply
    2,275.57x = 3,141.47 × 1,533.43
  4. Step 4: Simplify right side
    2,275.57x = 4,817,200.97
  5. Step 5: Solve for x
    x = 4,817,200.97/2,275.57
  6. Step 6: Final answer
    x = 2,116.93

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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.