Home / 1,437.36-2,154.44-943.20

Finding the Fourth Proportional to 1,437.36, 2,154.44 and 943.20

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Solution

The fourth proportional to 1,437.36, 2,154.44 and 943.20 is: 1,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.36 : 2,154.44 = 943.20 : x
  2. Step 2: Convert to fraction form
    1,437.36/2,154.44 = 943.20/x
  3. Step 3: Cross multiply
    1,437.36x = 2,154.44 × 943.20
  4. Step 4: Simplify right side
    1,437.36x = 2,032,067.81
  5. Step 5: Solve for x
    x = 2,032,067.81/1,437.36
  6. Step 6: Final answer
    x = 1,413.75

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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.