Home / 2,872.04-3,963.30-1,693.16

Finding the Fourth Proportional to 2,872.04, 3,963.30 and 1,693.16

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Solution

The fourth proportional to 2,872.04, 3,963.30 and 1,693.16 is: 2,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.04 : 3,963.30 = 1,693.16 : x
  2. Step 2: Convert to fraction form
    2,872.04/3,963.30 = 1,693.16/x
  3. Step 3: Cross multiply
    2,872.04x = 3,963.30 × 1,693.16
  4. Step 4: Simplify right side
    2,872.04x = 6,710,501.03
  5. Step 5: Solve for x
    x = 6,710,501.03/2,872.04
  6. Step 6: Final answer
    x = 2,336.49

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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.