Home / 2,071.73-2,862.80-1,511.25

Finding the Fourth Proportional to 2,071.73, 2,862.80 and 1,511.25

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Solution

The fourth proportional to 2,071.73, 2,862.80 and 1,511.25 is: 2,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.73 : 2,862.80 = 1,511.25 : x
  2. Step 2: Convert to fraction form
    2,071.73/2,862.80 = 1,511.25/x
  3. Step 3: Cross multiply
    2,071.73x = 2,862.80 × 1,511.25
  4. Step 4: Simplify right side
    2,071.73x = 4,326,398.94
  5. Step 5: Solve for x
    x = 4,326,398.94/2,071.73
  6. Step 6: Final answer
    x = 2,088.31

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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.