Home / 2,176.42-3,258.40-2,038.48

Finding the Fourth Proportional to 2,176.42, 3,258.40 and 2,038.48

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Solution

The fourth proportional to 2,176.42, 3,258.40 and 2,038.48 is: 3,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.42 : 3,258.40 = 2,038.48 : x
  2. Step 2: Convert to fraction form
    2,176.42/3,258.40 = 2,038.48/x
  3. Step 3: Cross multiply
    2,176.42x = 3,258.40 × 2,038.48
  4. Step 4: Simplify right side
    2,176.42x = 6,642,183.23
  5. Step 5: Solve for x
    x = 6,642,183.23/2,176.42
  6. Step 6: Final answer
    x = 3,051.88

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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.