Home / 2,278.02-3,143.70-1,346.52

Finding the Fourth Proportional to 2,278.02, 3,143.70 and 1,346.52

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Solution

The fourth proportional to 2,278.02, 3,143.70 and 1,346.52 is: 1,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.02 : 3,143.70 = 1,346.52 : x
  2. Step 2: Convert to fraction form
    2,278.02/3,143.70 = 1,346.52/x
  3. Step 3: Cross multiply
    2,278.02x = 3,143.70 × 1,346.52
  4. Step 4: Simplify right side
    2,278.02x = 4,233,054.92
  5. Step 5: Solve for x
    x = 4,233,054.92/2,278.02
  6. Step 6: Final answer
    x = 1,858.22

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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.