Home / 1,770.69-2,643.05-1,563.13

Finding the Fourth Proportional to 1,770.69, 2,643.05 and 1,563.13

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Solution

The fourth proportional to 1,770.69, 2,643.05 and 1,563.13 is: 2,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.69 : 2,643.05 = 1,563.13 : x
  2. Step 2: Convert to fraction form
    1,770.69/2,643.05 = 1,563.13/x
  3. Step 3: Cross multiply
    1,770.69x = 2,643.05 × 1,563.13
  4. Step 4: Simplify right side
    1,770.69x = 4,131,430.75
  5. Step 5: Solve for x
    x = 4,131,430.75/1,770.69
  6. Step 6: Final answer
    x = 2,333.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.