Home / 1,848.75-2,769.48-1,387.05

Finding the Fourth Proportional to 1,848.75, 2,769.48 and 1,387.05

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Solution

The fourth proportional to 1,848.75, 2,769.48 and 1,387.05 is: 2,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.75 : 2,769.48 = 1,387.05 : x
  2. Step 2: Convert to fraction form
    1,848.75/2,769.48 = 1,387.05/x
  3. Step 3: Cross multiply
    1,848.75x = 2,769.48 × 1,387.05
  4. Step 4: Simplify right side
    1,848.75x = 3,841,407.23
  5. Step 5: Solve for x
    x = 3,841,407.23/1,848.75
  6. Step 6: Final answer
    x = 2,077.84

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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.