Home / 2,807.17-3,873.70-1,548.15

Finding the Fourth Proportional to 2,807.17, 3,873.70 and 1,548.15

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Solution

The fourth proportional to 2,807.17, 3,873.70 and 1,548.15 is: 2,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.17 : 3,873.70 = 1,548.15 : x
  2. Step 2: Convert to fraction form
    2,807.17/3,873.70 = 1,548.15/x
  3. Step 3: Cross multiply
    2,807.17x = 3,873.70 × 1,548.15
  4. Step 4: Simplify right side
    2,807.17x = 5,997,068.66
  5. Step 5: Solve for x
    x = 5,997,068.66/2,807.17
  6. Step 6: Final answer
    x = 2,136.34

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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.