Home / 2,328.54-3,214.86-1,445.28

Finding the Fourth Proportional to 2,328.54, 3,214.86 and 1,445.28

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Solution

The fourth proportional to 2,328.54, 3,214.86 and 1,445.28 is: 1,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.54 : 3,214.86 = 1,445.28 : x
  2. Step 2: Convert to fraction form
    2,328.54/3,214.86 = 1,445.28/x
  3. Step 3: Cross multiply
    2,328.54x = 3,214.86 × 1,445.28
  4. Step 4: Simplify right side
    2,328.54x = 4,646,372.86
  5. Step 5: Solve for x
    x = 4,646,372.86/2,328.54
  6. Step 6: Final answer
    x = 1,995.40

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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.