Home / 2,817.02-4,222.56-1,777.66

Finding the Fourth Proportional to 2,817.02, 4,222.56 and 1,777.66

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Solution

The fourth proportional to 2,817.02, 4,222.56 and 1,777.66 is: 2,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.02 : 4,222.56 = 1,777.66 : x
  2. Step 2: Convert to fraction form
    2,817.02/4,222.56 = 1,777.66/x
  3. Step 3: Cross multiply
    2,817.02x = 4,222.56 × 1,777.66
  4. Step 4: Simplify right side
    2,817.02x = 7,506,276.01
  5. Step 5: Solve for x
    x = 7,506,276.01/2,817.02
  6. Step 6: Final answer
    x = 2,664.62

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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.