Home / 2,621.99-3,619.85-1,739.00

Finding the Fourth Proportional to 2,621.99, 3,619.85 and 1,739.00

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Solution

The fourth proportional to 2,621.99, 3,619.85 and 1,739.00 is: 2,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.99 : 3,619.85 = 1,739.00 : x
  2. Step 2: Convert to fraction form
    2,621.99/3,619.85 = 1,739.00/x
  3. Step 3: Cross multiply
    2,621.99x = 3,619.85 × 1,739.00
  4. Step 4: Simplify right side
    2,621.99x = 6,294,892.36
  5. Step 5: Solve for x
    x = 6,294,892.36/2,621.99
  6. Step 6: Final answer
    x = 2,400.81

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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.