Home / 2,558.35-3,831.04-1,581.49

Finding the Fourth Proportional to 2,558.35, 3,831.04 and 1,581.49

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Solution

The fourth proportional to 2,558.35, 3,831.04 and 1,581.49 is: 2,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.35 : 3,831.04 = 1,581.49 : x
  2. Step 2: Convert to fraction form
    2,558.35/3,831.04 = 1,581.49/x
  3. Step 3: Cross multiply
    2,558.35x = 3,831.04 × 1,581.49
  4. Step 4: Simplify right side
    2,558.35x = 6,058,728.34
  5. Step 5: Solve for x
    x = 6,058,728.34/2,558.35
  6. Step 6: Final answer
    x = 2,368.22

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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.