Home / 1,783.24-2,461.38-1,084.84

Finding the Fourth Proportional to 1,783.24, 2,461.38 and 1,084.84

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Solution

The fourth proportional to 1,783.24, 2,461.38 and 1,084.84 is: 1,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.24 : 2,461.38 = 1,084.84 : x
  2. Step 2: Convert to fraction form
    1,783.24/2,461.38 = 1,084.84/x
  3. Step 3: Cross multiply
    1,783.24x = 2,461.38 × 1,084.84
  4. Step 4: Simplify right side
    1,783.24x = 2,670,203.48
  5. Step 5: Solve for x
    x = 2,670,203.48/1,783.24
  6. Step 6: Final answer
    x = 1,497.39

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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.