Home / 2,300.36-3,174.48-1,252.40

Finding the Fourth Proportional to 2,300.36, 3,174.48 and 1,252.40

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Solution

The fourth proportional to 2,300.36, 3,174.48 and 1,252.40 is: 1,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.36 : 3,174.48 = 1,252.40 : x
  2. Step 2: Convert to fraction form
    2,300.36/3,174.48 = 1,252.40/x
  3. Step 3: Cross multiply
    2,300.36x = 3,174.48 × 1,252.40
  4. Step 4: Simplify right side
    2,300.36x = 3,975,702.88
  5. Step 5: Solve for x
    x = 3,975,702.88/2,300.36
  6. Step 6: Final answer
    x = 1,728.30

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1.5x scale

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.