Home / 2,783.02-3,844.57-2,222.76

Finding the Fourth Proportional to 2,783.02, 3,844.57 and 2,222.76

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Solution

The fourth proportional to 2,783.02, 3,844.57 and 2,222.76 is: 3,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.02 : 3,844.57 = 2,222.76 : x
  2. Step 2: Convert to fraction form
    2,783.02/3,844.57 = 2,222.76/x
  3. Step 3: Cross multiply
    2,783.02x = 3,844.57 × 2,222.76
  4. Step 4: Simplify right side
    2,783.02x = 8,545,537.19
  5. Step 5: Solve for x
    x = 8,545,537.19/2,783.02
  6. Step 6: Final answer
    x = 3,070.60

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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.