Home / 3,528.68-4,875.44-2,788.32

Finding the Fourth Proportional to 3,528.68, 4,875.44 and 2,788.32

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Solution

The fourth proportional to 3,528.68, 4,875.44 and 2,788.32 is: 3,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.68 : 4,875.44 = 2,788.32 : x
  2. Step 2: Convert to fraction form
    3,528.68/4,875.44 = 2,788.32/x
  3. Step 3: Cross multiply
    3,528.68x = 4,875.44 × 2,788.32
  4. Step 4: Simplify right side
    3,528.68x = 13,594,286.86
  5. Step 5: Solve for x
    x = 13,594,286.86/3,528.68
  6. Step 6: Final answer
    x = 3,852.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.