Home / 2,447.02-3,670.53-1,957.78

Finding the Fourth Proportional to 2,447.02, 3,670.53 and 1,957.78

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Solution

The fourth proportional to 2,447.02, 3,670.53 and 1,957.78 is: 2,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.02 : 3,670.53 = 1,957.78 : x
  2. Step 2: Convert to fraction form
    2,447.02/3,670.53 = 1,957.78/x
  3. Step 3: Cross multiply
    2,447.02x = 3,670.53 × 1,957.78
  4. Step 4: Simplify right side
    2,447.02x = 7,186,090.22
  5. Step 5: Solve for x
    x = 7,186,090.22/2,447.02
  6. Step 6: Final answer
    x = 2,936.67

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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.