Home / 2,783.84-4,177.36-1,052.40

Finding the Fourth Proportional to 2,783.84, 4,177.36 and 1,052.40

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Solution

The fourth proportional to 2,783.84, 4,177.36 and 1,052.40 is: 1,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.84 : 4,177.36 = 1,052.40 : x
  2. Step 2: Convert to fraction form
    2,783.84/4,177.36 = 1,052.40/x
  3. Step 3: Cross multiply
    2,783.84x = 4,177.36 × 1,052.40
  4. Step 4: Simplify right side
    2,783.84x = 4,396,253.66
  5. Step 5: Solve for x
    x = 4,396,253.66/2,783.84
  6. Step 6: Final answer
    x = 1,579.20

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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.