Home / 1,753.15-2,420.81-1,566.31

Finding the Fourth Proportional to 1,753.15, 2,420.81 and 1,566.31

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Solution

The fourth proportional to 1,753.15, 2,420.81 and 1,566.31 is: 2,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.15 : 2,420.81 = 1,566.31 : x
  2. Step 2: Convert to fraction form
    1,753.15/2,420.81 = 1,566.31/x
  3. Step 3: Cross multiply
    1,753.15x = 2,420.81 × 1,566.31
  4. Step 4: Simplify right side
    1,753.15x = 3,791,731.08
  5. Step 5: Solve for x
    x = 3,791,731.08/1,753.15
  6. Step 6: Final answer
    x = 2,162.81

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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.