Home / 2,546.45-3,814.47-1,890.35

Finding the Fourth Proportional to 2,546.45, 3,814.47 and 1,890.35

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Solution

The fourth proportional to 2,546.45, 3,814.47 and 1,890.35 is: 2,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.45 : 3,814.47 = 1,890.35 : x
  2. Step 2: Convert to fraction form
    2,546.45/3,814.47 = 1,890.35/x
  3. Step 3: Cross multiply
    2,546.45x = 3,814.47 × 1,890.35
  4. Step 4: Simplify right side
    2,546.45x = 7,210,683.36
  5. Step 5: Solve for x
    x = 7,210,683.36/2,546.45
  6. Step 6: Final answer
    x = 2,831.66

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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.