Home / 3,137.26-4,329.36-1,810.90

Finding the Fourth Proportional to 3,137.26, 4,329.36 and 1,810.90

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Solution

The fourth proportional to 3,137.26, 4,329.36 and 1,810.90 is: 2,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.26 : 4,329.36 = 1,810.90 : x
  2. Step 2: Convert to fraction form
    3,137.26/4,329.36 = 1,810.90/x
  3. Step 3: Cross multiply
    3,137.26x = 4,329.36 × 1,810.90
  4. Step 4: Simplify right side
    3,137.26x = 7,840,038.02
  5. Step 5: Solve for x
    x = 7,840,038.02/3,137.26
  6. Step 6: Final answer
    x = 2,499.01

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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.