Home / 2,304.32-3,181.36-1,558.40

Finding the Fourth Proportional to 2,304.32, 3,181.36 and 1,558.40

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Solution

The fourth proportional to 2,304.32, 3,181.36 and 1,558.40 is: 2,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.32 : 3,181.36 = 1,558.40 : x
  2. Step 2: Convert to fraction form
    2,304.32/3,181.36 = 1,558.40/x
  3. Step 3: Cross multiply
    2,304.32x = 3,181.36 × 1,558.40
  4. Step 4: Simplify right side
    2,304.32x = 4,957,831.42
  5. Step 5: Solve for x
    x = 4,957,831.42/2,304.32
  6. Step 6: Final answer
    x = 2,151.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.