Home / 2,810.69-4,213.07-1,054.55

Finding the Fourth Proportional to 2,810.69, 4,213.07 and 1,054.55

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Solution

The fourth proportional to 2,810.69, 4,213.07 and 1,054.55 is: 1,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.69 : 4,213.07 = 1,054.55 : x
  2. Step 2: Convert to fraction form
    2,810.69/4,213.07 = 1,054.55/x
  3. Step 3: Cross multiply
    2,810.69x = 4,213.07 × 1,054.55
  4. Step 4: Simplify right side
    2,810.69x = 4,442,866.63
  5. Step 5: Solve for x
    x = 4,442,866.63/2,810.69
  6. Step 6: Final answer
    x = 1,580.70

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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.