Home / 1,577.93-2,177.47-914.99

Finding the Fourth Proportional to 1,577.93, 2,177.47 and 914.99

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Solution

The fourth proportional to 1,577.93, 2,177.47 and 914.99 is: 1,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.93 : 2,177.47 = 914.99 : x
  2. Step 2: Convert to fraction form
    1,577.93/2,177.47 = 914.99/x
  3. Step 3: Cross multiply
    1,577.93x = 2,177.47 × 914.99
  4. Step 4: Simplify right side
    1,577.93x = 1,992,366.43
  5. Step 5: Solve for x
    x = 1,992,366.43/1,577.93
  6. Step 6: Final answer
    x = 1,262.64

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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.