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Finding the Fourth Proportional to 3,710.63, 5,120.66 and 2,054.63

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Solution

The fourth proportional to 3,710.63, 5,120.66 and 2,054.63 is: 2,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.63 : 5,120.66 = 2,054.63 : x
  2. Step 2: Convert to fraction form
    3,710.63/5,120.66 = 2,054.63/x
  3. Step 3: Cross multiply
    3,710.63x = 5,120.66 × 2,054.63
  4. Step 4: Simplify right side
    3,710.63x = 10,521,041.19
  5. Step 5: Solve for x
    x = 10,521,041.19/3,710.63
  6. Step 6: Final answer
    x = 2,835.38

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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.