Home / 4,245.16-5,853.84-2,985.79

Finding the Fourth Proportional to 4,245.16, 5,853.84 and 2,985.79

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Solution

The fourth proportional to 4,245.16, 5,853.84 and 2,985.79 is: 4,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.16 : 5,853.84 = 2,985.79 : x
  2. Step 2: Convert to fraction form
    4,245.16/5,853.84 = 2,985.79/x
  3. Step 3: Cross multiply
    4,245.16x = 5,853.84 × 2,985.79
  4. Step 4: Simplify right side
    4,245.16x = 17,478,336.93
  5. Step 5: Solve for x
    x = 17,478,336.93/4,245.16
  6. Step 6: Final answer
    x = 4,117.24

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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.