Home / 2,717.48-4,077.88-1,485.16

Finding the Fourth Proportional to 2,717.48, 4,077.88 and 1,485.16

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Solution

The fourth proportional to 2,717.48, 4,077.88 and 1,485.16 is: 2,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.48 : 4,077.88 = 1,485.16 : x
  2. Step 2: Convert to fraction form
    2,717.48/4,077.88 = 1,485.16/x
  3. Step 3: Cross multiply
    2,717.48x = 4,077.88 × 1,485.16
  4. Step 4: Simplify right side
    2,717.48x = 6,056,290.35
  5. Step 5: Solve for x
    x = 6,056,290.35/2,717.48
  6. Step 6: Final answer
    x = 2,228.64

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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.