Home / 3,853.80-5,317.04-2,360.16

Finding the Fourth Proportional to 3,853.80, 5,317.04 and 2,360.16

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Solution

The fourth proportional to 3,853.80, 5,317.04 and 2,360.16 is: 3,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.80 : 5,317.04 = 2,360.16 : x
  2. Step 2: Convert to fraction form
    3,853.80/5,317.04 = 2,360.16/x
  3. Step 3: Cross multiply
    3,853.80x = 5,317.04 × 2,360.16
  4. Step 4: Simplify right side
    3,853.80x = 12,549,065.13
  5. Step 5: Solve for x
    x = 12,549,065.13/3,853.80
  6. Step 6: Final answer
    x = 3,256.28

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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.