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Finding the Fourth Proportional to 2,070.30, 3,100.05 and 1,973.10

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Solution

The fourth proportional to 2,070.30, 3,100.05 and 1,973.10 is: 2,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.30 : 3,100.05 = 1,973.10 : x
  2. Step 2: Convert to fraction form
    2,070.30/3,100.05 = 1,973.10/x
  3. Step 3: Cross multiply
    2,070.30x = 3,100.05 × 1,973.10
  4. Step 4: Simplify right side
    2,070.30x = 6,116,708.66
  5. Step 5: Solve for x
    x = 6,116,708.66/2,070.30
  6. Step 6: Final answer
    x = 2,954.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.