Home / 2,471.51-3,410.21-1,528.11

Finding the Fourth Proportional to 2,471.51, 3,410.21 and 1,528.11

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Solution

The fourth proportional to 2,471.51, 3,410.21 and 1,528.11 is: 2,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.51 : 3,410.21 = 1,528.11 : x
  2. Step 2: Convert to fraction form
    2,471.51/3,410.21 = 1,528.11/x
  3. Step 3: Cross multiply
    2,471.51x = 3,410.21 × 1,528.11
  4. Step 4: Simplify right side
    2,471.51x = 5,211,168.36
  5. Step 5: Solve for x
    x = 5,211,168.36/2,471.51
  6. Step 6: Final answer
    x = 2,108.50

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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.