Home / 1,857.25-2,563.01-1,071.42

Finding the Fourth Proportional to 1,857.25, 2,563.01 and 1,071.42

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Solution

The fourth proportional to 1,857.25, 2,563.01 and 1,071.42 is: 1,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.25 : 2,563.01 = 1,071.42 : x
  2. Step 2: Convert to fraction form
    1,857.25/2,563.01 = 1,071.42/x
  3. Step 3: Cross multiply
    1,857.25x = 2,563.01 × 1,071.42
  4. Step 4: Simplify right side
    1,857.25x = 2,746,042.00
  5. Step 5: Solve for x
    x = 2,746,042.00/1,857.25
  6. Step 6: Final answer
    x = 1,478.55

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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.