Home / 4,971.40-7,461.42-2,051.80

Finding the Fourth Proportional to 4,971.40, 7,461.42 and 2,051.80

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Solution

The fourth proportional to 4,971.40, 7,461.42 and 2,051.80 is: 3,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.40 : 7,461.42 = 2,051.80 : x
  2. Step 2: Convert to fraction form
    4,971.40/7,461.42 = 2,051.80/x
  3. Step 3: Cross multiply
    4,971.40x = 7,461.42 × 2,051.80
  4. Step 4: Simplify right side
    4,971.40x = 15,309,341.56
  5. Step 5: Solve for x
    x = 15,309,341.56/4,971.40
  6. Step 6: Final answer
    x = 3,079.48

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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.