Home / 2,557.02-3,835.53-801.96

Finding the Fourth Proportional to 2,557.02, 3,835.53 and 801.96

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Solution

The fourth proportional to 2,557.02, 3,835.53 and 801.96 is: 1,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.02 : 3,835.53 = 801.96 : x
  2. Step 2: Convert to fraction form
    2,557.02/3,835.53 = 801.96/x
  3. Step 3: Cross multiply
    2,557.02x = 3,835.53 × 801.96
  4. Step 4: Simplify right side
    2,557.02x = 3,075,941.64
  5. Step 5: Solve for x
    x = 3,075,941.64/2,557.02
  6. Step 6: Final answer
    x = 1,202.94

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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.