Home / 2,328.01-3,212.58-1,280.07

Finding the Fourth Proportional to 2,328.01, 3,212.58 and 1,280.07

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Solution

The fourth proportional to 2,328.01, 3,212.58 and 1,280.07 is: 1,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.01 : 3,212.58 = 1,280.07 : x
  2. Step 2: Convert to fraction form
    2,328.01/3,212.58 = 1,280.07/x
  3. Step 3: Cross multiply
    2,328.01x = 3,212.58 × 1,280.07
  4. Step 4: Simplify right side
    2,328.01x = 4,112,311.22
  5. Step 5: Solve for x
    x = 4,112,311.22/2,328.01
  6. Step 6: Final answer
    x = 1,766.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.