Home / 2,235.48-3,083.56-1,439.84

Finding the Fourth Proportional to 2,235.48, 3,083.56 and 1,439.84

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Solution

The fourth proportional to 2,235.48, 3,083.56 and 1,439.84 is: 1,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.48 : 3,083.56 = 1,439.84 : x
  2. Step 2: Convert to fraction form
    2,235.48/3,083.56 = 1,439.84/x
  3. Step 3: Cross multiply
    2,235.48x = 3,083.56 × 1,439.84
  4. Step 4: Simplify right side
    2,235.48x = 4,439,810.41
  5. Step 5: Solve for x
    x = 4,439,810.41/2,235.48
  6. Step 6: Final answer
    x = 1,986.07

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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.