Home / 2,011.12-3,015.51-624.08

Finding the Fourth Proportional to 2,011.12, 3,015.51 and 624.08

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Solution

The fourth proportional to 2,011.12, 3,015.51 and 624.08 is: 935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.12 : 3,015.51 = 624.08 : x
  2. Step 2: Convert to fraction form
    2,011.12/3,015.51 = 624.08/x
  3. Step 3: Cross multiply
    2,011.12x = 3,015.51 × 624.08
  4. Step 4: Simplify right side
    2,011.12x = 1,881,919.48
  5. Step 5: Solve for x
    x = 1,881,919.48/2,011.12
  6. Step 6: Final answer
    x = 935.76

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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.