Home / 2,980.24-4,470.12-1,224.74

Finding the Fourth Proportional to 2,980.24, 4,470.12 and 1,224.74

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Solution

The fourth proportional to 2,980.24, 4,470.12 and 1,224.74 is: 1,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.24 : 4,470.12 = 1,224.74 : x
  2. Step 2: Convert to fraction form
    2,980.24/4,470.12 = 1,224.74/x
  3. Step 3: Cross multiply
    2,980.24x = 4,470.12 × 1,224.74
  4. Step 4: Simplify right side
    2,980.24x = 5,474,734.77
  5. Step 5: Solve for x
    x = 5,474,734.77/2,980.24
  6. Step 6: Final answer
    x = 1,837.01

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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.