Home / 2,853.56-4,279.30-1,210.24

Finding the Fourth Proportional to 2,853.56, 4,279.30 and 1,210.24

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Solution

The fourth proportional to 2,853.56, 4,279.30 and 1,210.24 is: 1,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.56 : 4,279.30 = 1,210.24 : x
  2. Step 2: Convert to fraction form
    2,853.56/4,279.30 = 1,210.24/x
  3. Step 3: Cross multiply
    2,853.56x = 4,279.30 × 1,210.24
  4. Step 4: Simplify right side
    2,853.56x = 5,178,982.36
  5. Step 5: Solve for x
    x = 5,178,982.36/2,853.56
  6. Step 6: Final answer
    x = 1,814.92

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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.