Home / 3,685.07-5,085.51-2,269.58

Finding the Fourth Proportional to 3,685.07, 5,085.51 and 2,269.58

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Solution

The fourth proportional to 3,685.07, 5,085.51 and 2,269.58 is: 3,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.07 : 5,085.51 = 2,269.58 : x
  2. Step 2: Convert to fraction form
    3,685.07/5,085.51 = 2,269.58/x
  3. Step 3: Cross multiply
    3,685.07x = 5,085.51 × 2,269.58
  4. Step 4: Simplify right side
    3,685.07x = 11,541,971.79
  5. Step 5: Solve for x
    x = 11,541,971.79/3,685.07
  6. Step 6: Final answer
    x = 3,132.09

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1.5x scale

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.