Home / 2,749.74-4,125.51-1,018.50

Finding the Fourth Proportional to 2,749.74, 4,125.51 and 1,018.50

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Solution

The fourth proportional to 2,749.74, 4,125.51 and 1,018.50 is: 1,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.74 : 4,125.51 = 1,018.50 : x
  2. Step 2: Convert to fraction form
    2,749.74/4,125.51 = 1,018.50/x
  3. Step 3: Cross multiply
    2,749.74x = 4,125.51 × 1,018.50
  4. Step 4: Simplify right side
    2,749.74x = 4,201,831.94
  5. Step 5: Solve for x
    x = 4,201,831.94/2,749.74
  6. Step 6: Final answer
    x = 1,528.08

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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.