Home / 1,471.80-2,205.27-1,038.06

Finding the Fourth Proportional to 1,471.80, 2,205.27 and 1,038.06

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Solution

The fourth proportional to 1,471.80, 2,205.27 and 1,038.06 is: 1,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.80 : 2,205.27 = 1,038.06 : x
  2. Step 2: Convert to fraction form
    1,471.80/2,205.27 = 1,038.06/x
  3. Step 3: Cross multiply
    1,471.80x = 2,205.27 × 1,038.06
  4. Step 4: Simplify right side
    1,471.80x = 2,289,202.58
  5. Step 5: Solve for x
    x = 2,289,202.58/1,471.80
  6. Step 6: Final answer
    x = 1,555.38

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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.