Home / 2,807.01-3,873.70-1,548.11

Finding the Fourth Proportional to 2,807.01, 3,873.70 and 1,548.11

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Solution

The fourth proportional to 2,807.01, 3,873.70 and 1,548.11 is: 2,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.01 : 3,873.70 = 1,548.11 : x
  2. Step 2: Convert to fraction form
    2,807.01/3,873.70 = 1,548.11/x
  3. Step 3: Cross multiply
    2,807.01x = 3,873.70 × 1,548.11
  4. Step 4: Simplify right side
    2,807.01x = 5,996,917.59
  5. Step 5: Solve for x
    x = 5,996,917.59/2,807.01
  6. Step 6: Final answer
    x = 2,136.41

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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.