Home / 1,663.02-2,293.84-1,214.11

Finding the Fourth Proportional to 1,663.02, 2,293.84 and 1,214.11

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Solution

The fourth proportional to 1,663.02, 2,293.84 and 1,214.11 is: 1,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.02 : 2,293.84 = 1,214.11 : x
  2. Step 2: Convert to fraction form
    1,663.02/2,293.84 = 1,214.11/x
  3. Step 3: Cross multiply
    1,663.02x = 2,293.84 × 1,214.11
  4. Step 4: Simplify right side
    1,663.02x = 2,784,965.31
  5. Step 5: Solve for x
    x = 2,784,965.31/1,663.02
  6. Step 6: Final answer
    x = 1,674.64

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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.