Home / 1,577.79-2,362.35-1,284.60

Finding the Fourth Proportional to 1,577.79, 2,362.35 and 1,284.60

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Solution

The fourth proportional to 1,577.79, 2,362.35 and 1,284.60 is: 1,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.79 : 2,362.35 = 1,284.60 : x
  2. Step 2: Convert to fraction form
    1,577.79/2,362.35 = 1,284.60/x
  3. Step 3: Cross multiply
    1,577.79x = 2,362.35 × 1,284.60
  4. Step 4: Simplify right side
    1,577.79x = 3,034,656.58
  5. Step 5: Solve for x
    x = 3,034,656.58/1,577.79
  6. Step 6: Final answer
    x = 1,923.37

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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.