Home / 2,679.90-4,018.47-1,036.92

Finding the Fourth Proportional to 2,679.90, 4,018.47 and 1,036.92

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Solution

The fourth proportional to 2,679.90, 4,018.47 and 1,036.92 is: 1,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.90 : 4,018.47 = 1,036.92 : x
  2. Step 2: Convert to fraction form
    2,679.90/4,018.47 = 1,036.92/x
  3. Step 3: Cross multiply
    2,679.90x = 4,018.47 × 1,036.92
  4. Step 4: Simplify right side
    2,679.90x = 4,166,831.91
  5. Step 5: Solve for x
    x = 4,166,831.91/2,679.90
  6. Step 6: Final answer
    x = 1,554.85

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1.5x scale

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.