Home / 3,015.71-4,160.28-1,837.47

Finding the Fourth Proportional to 3,015.71, 4,160.28 and 1,837.47

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Solution

The fourth proportional to 3,015.71, 4,160.28 and 1,837.47 is: 2,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.71 : 4,160.28 = 1,837.47 : x
  2. Step 2: Convert to fraction form
    3,015.71/4,160.28 = 1,837.47/x
  3. Step 3: Cross multiply
    3,015.71x = 4,160.28 × 1,837.47
  4. Step 4: Simplify right side
    3,015.71x = 7,644,389.69
  5. Step 5: Solve for x
    x = 7,644,389.69/3,015.71
  6. Step 6: Final answer
    x = 2,534.86

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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.