Home / 3,047.15-4,569.28-1,403.21

Finding the Fourth Proportional to 3,047.15, 4,569.28 and 1,403.21

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Solution

The fourth proportional to 3,047.15, 4,569.28 and 1,403.21 is: 2,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.15 : 4,569.28 = 1,403.21 : x
  2. Step 2: Convert to fraction form
    3,047.15/4,569.28 = 1,403.21/x
  3. Step 3: Cross multiply
    3,047.15x = 4,569.28 × 1,403.21
  4. Step 4: Simplify right side
    3,047.15x = 6,411,633.03
  5. Step 5: Solve for x
    x = 6,411,633.03/3,047.15
  6. Step 6: Final answer
    x = 2,104.14

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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.