Home / 3,124.19-4,688.16-1,249.74

Finding the Fourth Proportional to 3,124.19, 4,688.16 and 1,249.74

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Solution

The fourth proportional to 3,124.19, 4,688.16 and 1,249.74 is: 1,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.19 : 4,688.16 = 1,249.74 : x
  2. Step 2: Convert to fraction form
    3,124.19/4,688.16 = 1,249.74/x
  3. Step 3: Cross multiply
    3,124.19x = 4,688.16 × 1,249.74
  4. Step 4: Simplify right side
    3,124.19x = 5,858,974.83
  5. Step 5: Solve for x
    x = 5,858,974.83/3,124.19
  6. Step 6: Final answer
    x = 1,875.36

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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.