Home / 1,750.48-2,627.92-1,389.76

Finding the Fourth Proportional to 1,750.48, 2,627.92 and 1,389.76

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Solution

The fourth proportional to 1,750.48, 2,627.92 and 1,389.76 is: 2,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.48 : 2,627.92 = 1,389.76 : x
  2. Step 2: Convert to fraction form
    1,750.48/2,627.92 = 1,389.76/x
  3. Step 3: Cross multiply
    1,750.48x = 2,627.92 × 1,389.76
  4. Step 4: Simplify right side
    1,750.48x = 3,652,178.10
  5. Step 5: Solve for x
    x = 3,652,178.10/1,750.48
  6. Step 6: Final answer
    x = 2,086.39

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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.