Home / 1,656.05-2,485.70-1,262.39

Finding the Fourth Proportional to 1,656.05, 2,485.70 and 1,262.39

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Solution

The fourth proportional to 1,656.05, 2,485.70 and 1,262.39 is: 1,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.05 : 2,485.70 = 1,262.39 : x
  2. Step 2: Convert to fraction form
    1,656.05/2,485.70 = 1,262.39/x
  3. Step 3: Cross multiply
    1,656.05x = 2,485.70 × 1,262.39
  4. Step 4: Simplify right side
    1,656.05x = 3,137,922.82
  5. Step 5: Solve for x
    x = 3,137,922.82/1,656.05
  6. Step 6: Final answer
    x = 1,894.82

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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.