Home / 1,958.02-2,937.70-1,226.72

Finding the Fourth Proportional to 1,958.02, 2,937.70 and 1,226.72

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Solution

The fourth proportional to 1,958.02, 2,937.70 and 1,226.72 is: 1,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.02 : 2,937.70 = 1,226.72 : x
  2. Step 2: Convert to fraction form
    1,958.02/2,937.70 = 1,226.72/x
  3. Step 3: Cross multiply
    1,958.02x = 2,937.70 × 1,226.72
  4. Step 4: Simplify right side
    1,958.02x = 3,603,744.22
  5. Step 5: Solve for x
    x = 3,603,744.22/1,958.02
  6. Step 6: Final answer
    x = 1,840.51

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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.