Home / 3,521.04-5,271.32-2,284.78

Finding the Fourth Proportional to 3,521.04, 5,271.32 and 2,284.78

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Solution

The fourth proportional to 3,521.04, 5,271.32 and 2,284.78 is: 3,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.04 : 5,271.32 = 2,284.78 : x
  2. Step 2: Convert to fraction form
    3,521.04/5,271.32 = 2,284.78/x
  3. Step 3: Cross multiply
    3,521.04x = 5,271.32 × 2,284.78
  4. Step 4: Simplify right side
    3,521.04x = 12,043,806.51
  5. Step 5: Solve for x
    x = 12,043,806.51/3,521.04
  6. Step 6: Final answer
    x = 3,420.53

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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.