Home / 2,866.33-3,955.49-1,607.38

Finding the Fourth Proportional to 2,866.33, 3,955.49 and 1,607.38

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Solution

The fourth proportional to 2,866.33, 3,955.49 and 1,607.38 is: 2,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.33 : 3,955.49 = 1,607.38 : x
  2. Step 2: Convert to fraction form
    2,866.33/3,955.49 = 1,607.38/x
  3. Step 3: Cross multiply
    2,866.33x = 3,955.49 × 1,607.38
  4. Step 4: Simplify right side
    2,866.33x = 6,357,975.52
  5. Step 5: Solve for x
    x = 6,357,975.52/2,866.33
  6. Step 6: Final answer
    x = 2,218.16

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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.