Home / 2,810.52-4,215.80-1,250.16

Finding the Fourth Proportional to 2,810.52, 4,215.80 and 1,250.16

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Solution

The fourth proportional to 2,810.52, 4,215.80 and 1,250.16 is: 1,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.52 : 4,215.80 = 1,250.16 : x
  2. Step 2: Convert to fraction form
    2,810.52/4,215.80 = 1,250.16/x
  3. Step 3: Cross multiply
    2,810.52x = 4,215.80 × 1,250.16
  4. Step 4: Simplify right side
    2,810.52x = 5,270,427.65
  5. Step 5: Solve for x
    x = 5,270,427.65/2,810.52
  6. Step 6: Final answer
    x = 1,875.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.