Home / 3,735.40-5,154.72-2,056.78

Finding the Fourth Proportional to 3,735.40, 5,154.72 and 2,056.78

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Solution

The fourth proportional to 3,735.40, 5,154.72 and 2,056.78 is: 2,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.40 : 5,154.72 = 2,056.78 : x
  2. Step 2: Convert to fraction form
    3,735.40/5,154.72 = 2,056.78/x
  3. Step 3: Cross multiply
    3,735.40x = 5,154.72 × 2,056.78
  4. Step 4: Simplify right side
    3,735.40x = 10,602,125.00
  5. Step 5: Solve for x
    x = 10,602,125.00/3,735.40
  6. Step 6: Final answer
    x = 2,838.28

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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.