Home / 3,124.08-4,684.68-1,368.99

Finding the Fourth Proportional to 3,124.08, 4,684.68 and 1,368.99

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Solution

The fourth proportional to 3,124.08, 4,684.68 and 1,368.99 is: 2,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.08 : 4,684.68 = 1,368.99 : x
  2. Step 2: Convert to fraction form
    3,124.08/4,684.68 = 1,368.99/x
  3. Step 3: Cross multiply
    3,124.08x = 4,684.68 × 1,368.99
  4. Step 4: Simplify right side
    3,124.08x = 6,413,280.07
  5. Step 5: Solve for x
    x = 6,413,280.07/3,124.08
  6. Step 6: Final answer
    x = 2,052.85

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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.