Home / 3,124.93-4,688.04-933.82

Finding the Fourth Proportional to 3,124.93, 4,688.04 and 933.82

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Solution

The fourth proportional to 3,124.93, 4,688.04 and 933.82 is: 1,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.93 : 4,688.04 = 933.82 : x
  2. Step 2: Convert to fraction form
    3,124.93/4,688.04 = 933.82/x
  3. Step 3: Cross multiply
    3,124.93x = 4,688.04 × 933.82
  4. Step 4: Simplify right side
    3,124.93x = 4,377,785.51
  5. Step 5: Solve for x
    x = 4,377,785.51/3,124.93
  6. Step 6: Final answer
    x = 1,400.92

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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.