Home / 1,776.02-2,664.60-543.56

Finding the Fourth Proportional to 1,776.02, 2,664.60 and 543.56

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Solution

The fourth proportional to 1,776.02, 2,664.60 and 543.56 is: 815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.02 : 2,664.60 = 543.56 : x
  2. Step 2: Convert to fraction form
    1,776.02/2,664.60 = 543.56/x
  3. Step 3: Cross multiply
    1,776.02x = 2,664.60 × 543.56
  4. Step 4: Simplify right side
    1,776.02x = 1,448,369.98
  5. Step 5: Solve for x
    x = 1,448,369.98/1,776.02
  6. Step 6: Final answer
    x = 815.51

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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.