Home / 3,068.68-4,580.77-2,840.28

Finding the Fourth Proportional to 3,068.68, 4,580.77 and 2,840.28

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Solution

The fourth proportional to 3,068.68, 4,580.77 and 2,840.28 is: 4,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.68 : 4,580.77 = 2,840.28 : x
  2. Step 2: Convert to fraction form
    3,068.68/4,580.77 = 2,840.28/x
  3. Step 3: Cross multiply
    3,068.68x = 4,580.77 × 2,840.28
  4. Step 4: Simplify right side
    3,068.68x = 13,010,669.42
  5. Step 5: Solve for x
    x = 13,010,669.42/3,068.68
  6. Step 6: Final answer
    x = 4,239.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.