Home / 4,146.48-5,722.38-2,378.28

Finding the Fourth Proportional to 4,146.48, 5,722.38 and 2,378.28

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Solution

The fourth proportional to 4,146.48, 5,722.38 and 2,378.28 is: 3,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.48 : 5,722.38 = 2,378.28 : x
  2. Step 2: Convert to fraction form
    4,146.48/5,722.38 = 2,378.28/x
  3. Step 3: Cross multiply
    4,146.48x = 5,722.38 × 2,378.28
  4. Step 4: Simplify right side
    4,146.48x = 13,609,421.91
  5. Step 5: Solve for x
    x = 13,609,421.91/4,146.48
  6. Step 6: Final answer
    x = 3,282.16

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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.