Home / 2,853.93-4,280.50-1,210.26

Finding the Fourth Proportional to 2,853.93, 4,280.50 and 1,210.26

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Solution

The fourth proportional to 2,853.93, 4,280.50 and 1,210.26 is: 1,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.93 : 4,280.50 = 1,210.26 : x
  2. Step 2: Convert to fraction form
    2,853.93/4,280.50 = 1,210.26/x
  3. Step 3: Cross multiply
    2,853.93x = 4,280.50 × 1,210.26
  4. Step 4: Simplify right side
    2,853.93x = 5,180,517.93
  5. Step 5: Solve for x
    x = 5,180,517.93/2,853.93
  6. Step 6: Final answer
    x = 1,815.22

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Double scale
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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.