Home / 2,403.02-3,602.06-921.84

Finding the Fourth Proportional to 2,403.02, 3,602.06 and 921.84

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Solution

The fourth proportional to 2,403.02, 3,602.06 and 921.84 is: 1,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.02 : 3,602.06 = 921.84 : x
  2. Step 2: Convert to fraction form
    2,403.02/3,602.06 = 921.84/x
  3. Step 3: Cross multiply
    2,403.02x = 3,602.06 × 921.84
  4. Step 4: Simplify right side
    2,403.02x = 3,320,521.05
  5. Step 5: Solve for x
    x = 3,320,521.05/2,403.02
  6. Step 6: Final answer
    x = 1,381.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.