Home / 1,974.24-2,943.88-1,840.20

Finding the Fourth Proportional to 1,974.24, 2,943.88 and 1,840.20

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Solution

The fourth proportional to 1,974.24, 2,943.88 and 1,840.20 is: 2,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.24 : 2,943.88 = 1,840.20 : x
  2. Step 2: Convert to fraction form
    1,974.24/2,943.88 = 1,840.20/x
  3. Step 3: Cross multiply
    1,974.24x = 2,943.88 × 1,840.20
  4. Step 4: Simplify right side
    1,974.24x = 5,417,327.98
  5. Step 5: Solve for x
    x = 5,417,327.98/1,974.24
  6. Step 6: Final answer
    x = 2,744.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.