Home / 2,985.72-4,108.48-2,706.27

Finding the Fourth Proportional to 2,985.72, 4,108.48 and 2,706.27

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Solution

The fourth proportional to 2,985.72, 4,108.48 and 2,706.27 is: 3,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.72 : 4,108.48 = 2,706.27 : x
  2. Step 2: Convert to fraction form
    2,985.72/4,108.48 = 2,706.27/x
  3. Step 3: Cross multiply
    2,985.72x = 4,108.48 × 2,706.27
  4. Step 4: Simplify right side
    2,985.72x = 11,118,656.17
  5. Step 5: Solve for x
    x = 11,118,656.17/2,985.72
  6. Step 6: Final answer
    x = 3,723.94

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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.