Home / 1,670.27-2,506.77-848.78

Finding the Fourth Proportional to 1,670.27, 2,506.77 and 848.78

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Solution

The fourth proportional to 1,670.27, 2,506.77 and 848.78 is: 1,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.27 : 2,506.77 = 848.78 : x
  2. Step 2: Convert to fraction form
    1,670.27/2,506.77 = 848.78/x
  3. Step 3: Cross multiply
    1,670.27x = 2,506.77 × 848.78
  4. Step 4: Simplify right side
    1,670.27x = 2,127,696.24
  5. Step 5: Solve for x
    x = 2,127,696.24/1,670.27
  6. Step 6: Final answer
    x = 1,273.86

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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.