Home / 1,473.80-2,208.87-1,291.55

Finding the Fourth Proportional to 1,473.80, 2,208.87 and 1,291.55

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Solution

The fourth proportional to 1,473.80, 2,208.87 and 1,291.55 is: 1,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.80 : 2,208.87 = 1,291.55 : x
  2. Step 2: Convert to fraction form
    1,473.80/2,208.87 = 1,291.55/x
  3. Step 3: Cross multiply
    1,473.80x = 2,208.87 × 1,291.55
  4. Step 4: Simplify right side
    1,473.80x = 2,852,855.00
  5. Step 5: Solve for x
    x = 2,852,855.00/1,473.80
  6. Step 6: Final answer
    x = 1,935.72

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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.