Home / 2,011.04-3,015.45-623.99

Finding the Fourth Proportional to 2,011.04, 3,015.45 and 623.99

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Solution

The fourth proportional to 2,011.04, 3,015.45 and 623.99 is: 935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.04 : 3,015.45 = 623.99 : x
  2. Step 2: Convert to fraction form
    2,011.04/3,015.45 = 623.99/x
  3. Step 3: Cross multiply
    2,011.04x = 3,015.45 × 623.99
  4. Step 4: Simplify right side
    2,011.04x = 1,881,595.57
  5. Step 5: Solve for x
    x = 1,881,595.57/2,011.04
  6. Step 6: Final answer
    x = 935.64

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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.