Home / 2,471.04-3,409.44-1,538.88

Finding the Fourth Proportional to 2,471.04, 3,409.44 and 1,538.88

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Solution

The fourth proportional to 2,471.04, 3,409.44 and 1,538.88 is: 2,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.04 : 3,409.44 = 1,538.88 : x
  2. Step 2: Convert to fraction form
    2,471.04/3,409.44 = 1,538.88/x
  3. Step 3: Cross multiply
    2,471.04x = 3,409.44 × 1,538.88
  4. Step 4: Simplify right side
    2,471.04x = 5,246,719.03
  5. Step 5: Solve for x
    x = 5,246,719.03/2,471.04
  6. Step 6: Final answer
    x = 2,123.28

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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.