Home / 3,279.51-4,528.00-3,070.38

Finding the Fourth Proportional to 3,279.51, 4,528.00 and 3,070.38

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Solution

The fourth proportional to 3,279.51, 4,528.00 and 3,070.38 is: 4,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.51 : 4,528.00 = 3,070.38 : x
  2. Step 2: Convert to fraction form
    3,279.51/4,528.00 = 3,070.38/x
  3. Step 3: Cross multiply
    3,279.51x = 4,528.00 × 3,070.38
  4. Step 4: Simplify right side
    3,279.51x = 13,902,688.72
  5. Step 5: Solve for x
    x = 13,902,688.72/3,279.51
  6. Step 6: Final answer
    x = 4,239.25

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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.