Home / 2,856.03-4,284.32-1,124.25

Finding the Fourth Proportional to 2,856.03, 4,284.32 and 1,124.25

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Solution

The fourth proportional to 2,856.03, 4,284.32 and 1,124.25 is: 1,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.03 : 4,284.32 = 1,124.25 : x
  2. Step 2: Convert to fraction form
    2,856.03/4,284.32 = 1,124.25/x
  3. Step 3: Cross multiply
    2,856.03x = 4,284.32 × 1,124.25
  4. Step 4: Simplify right side
    2,856.03x = 4,816,641.14
  5. Step 5: Solve for x
    x = 4,816,641.14/2,856.03
  6. Step 6: Final answer
    x = 1,686.48

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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.