Home / 2,172.34-2,994.70-1,550.26

Finding the Fourth Proportional to 2,172.34, 2,994.70 and 1,550.26

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Solution

The fourth proportional to 2,172.34, 2,994.70 and 1,550.26 is: 2,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.34 : 2,994.70 = 1,550.26 : x
  2. Step 2: Convert to fraction form
    2,172.34/2,994.70 = 1,550.26/x
  3. Step 3: Cross multiply
    2,172.34x = 2,994.70 × 1,550.26
  4. Step 4: Simplify right side
    2,172.34x = 4,642,563.62
  5. Step 5: Solve for x
    x = 4,642,563.62/2,172.34
  6. Step 6: Final answer
    x = 2,137.13

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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.