Home / 2,810.07-4,215.60-1,165.77

Finding the Fourth Proportional to 2,810.07, 4,215.60 and 1,165.77

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Solution

The fourth proportional to 2,810.07, 4,215.60 and 1,165.77 is: 1,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.07 : 4,215.60 = 1,165.77 : x
  2. Step 2: Convert to fraction form
    2,810.07/4,215.60 = 1,165.77/x
  3. Step 3: Cross multiply
    2,810.07x = 4,215.60 × 1,165.77
  4. Step 4: Simplify right side
    2,810.07x = 4,914,420.01
  5. Step 5: Solve for x
    x = 4,914,420.01/2,810.07
  6. Step 6: Final answer
    x = 1,748.86

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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.