Home / 1,621.99-2,429.74-1,250.49

Finding the Fourth Proportional to 1,621.99, 2,429.74 and 1,250.49

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Solution

The fourth proportional to 1,621.99, 2,429.74 and 1,250.49 is: 1,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.99 : 2,429.74 = 1,250.49 : x
  2. Step 2: Convert to fraction form
    1,621.99/2,429.74 = 1,250.49/x
  3. Step 3: Cross multiply
    1,621.99x = 2,429.74 × 1,250.49
  4. Step 4: Simplify right side
    1,621.99x = 3,038,365.57
  5. Step 5: Solve for x
    x = 3,038,365.57/1,621.99
  6. Step 6: Final answer
    x = 1,873.24

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1.5x scale

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.