Home / 2,072.47-2,858.75-1,326.16

Finding the Fourth Proportional to 2,072.47, 2,858.75 and 1,326.16

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Solution

The fourth proportional to 2,072.47, 2,858.75 and 1,326.16 is: 1,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.47 : 2,858.75 = 1,326.16 : x
  2. Step 2: Convert to fraction form
    2,072.47/2,858.75 = 1,326.16/x
  3. Step 3: Cross multiply
    2,072.47x = 2,858.75 × 1,326.16
  4. Step 4: Simplify right side
    2,072.47x = 3,791,153.27
  5. Step 5: Solve for x
    x = 3,791,153.27/2,072.47
  6. Step 6: Final answer
    x = 1,829.30

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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.