Home / 1,437.39-1,966.64-1,431.99

Finding the Fourth Proportional to 1,437.39, 1,966.64 and 1,431.99

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Solution

The fourth proportional to 1,437.39, 1,966.64 and 1,431.99 is: 1,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.39 : 1,966.64 = 1,431.99 : x
  2. Step 2: Convert to fraction form
    1,437.39/1,966.64 = 1,431.99/x
  3. Step 3: Cross multiply
    1,437.39x = 1,966.64 × 1,431.99
  4. Step 4: Simplify right side
    1,437.39x = 2,816,201.65
  5. Step 5: Solve for x
    x = 2,816,201.65/1,437.39
  6. Step 6: Final answer
    x = 1,959.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.