Home / 2,088.19-3,120.04-2,015.54

Finding the Fourth Proportional to 2,088.19, 3,120.04 and 2,015.54

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Solution

The fourth proportional to 2,088.19, 3,120.04 and 2,015.54 is: 3,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.19 : 3,120.04 = 2,015.54 : x
  2. Step 2: Convert to fraction form
    2,088.19/3,120.04 = 2,015.54/x
  3. Step 3: Cross multiply
    2,088.19x = 3,120.04 × 2,015.54
  4. Step 4: Simplify right side
    2,088.19x = 6,288,565.42
  5. Step 5: Solve for x
    x = 6,288,565.42/2,088.19
  6. Step 6: Final answer
    x = 3,011.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.