Home / 1,701.02-2,551.77-776.54

Finding the Fourth Proportional to 1,701.02, 2,551.77 and 776.54

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Solution

The fourth proportional to 1,701.02, 2,551.77 and 776.54 is: 1,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.02 : 2,551.77 = 776.54 : x
  2. Step 2: Convert to fraction form
    1,701.02/2,551.77 = 776.54/x
  3. Step 3: Cross multiply
    1,701.02x = 2,551.77 × 776.54
  4. Step 4: Simplify right side
    1,701.02x = 1,981,557.86
  5. Step 5: Solve for x
    x = 1,981,557.86/1,701.02
  6. Step 6: Final answer
    x = 1,164.92

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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.