Home / 4,045.30-5,582.28-2,276.80

Finding the Fourth Proportional to 4,045.30, 5,582.28 and 2,276.80

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Solution

The fourth proportional to 4,045.30, 5,582.28 and 2,276.80 is: 3,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.30 : 5,582.28 = 2,276.80 : x
  2. Step 2: Convert to fraction form
    4,045.30/5,582.28 = 2,276.80/x
  3. Step 3: Cross multiply
    4,045.30x = 5,582.28 × 2,276.80
  4. Step 4: Simplify right side
    4,045.30x = 12,709,735.10
  5. Step 5: Solve for x
    x = 12,709,735.10/4,045.30
  6. Step 6: Final answer
    x = 3,141.85

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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.