Home / 2,880.09-3,973.19-1,817.37

Finding the Fourth Proportional to 2,880.09, 3,973.19 and 1,817.37

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Solution

The fourth proportional to 2,880.09, 3,973.19 and 1,817.37 is: 2,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.09 : 3,973.19 = 1,817.37 : x
  2. Step 2: Convert to fraction form
    2,880.09/3,973.19 = 1,817.37/x
  3. Step 3: Cross multiply
    2,880.09x = 3,973.19 × 1,817.37
  4. Step 4: Simplify right side
    2,880.09x = 7,220,747.22
  5. Step 5: Solve for x
    x = 7,220,747.22/2,880.09
  6. Step 6: Final answer
    x = 2,507.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.