Home / 3,527.60-5,291.46-1,678.35

Finding the Fourth Proportional to 3,527.60, 5,291.46 and 1,678.35

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Solution

The fourth proportional to 3,527.60, 5,291.46 and 1,678.35 is: 2,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.60 : 5,291.46 = 1,678.35 : x
  2. Step 2: Convert to fraction form
    3,527.60/5,291.46 = 1,678.35/x
  3. Step 3: Cross multiply
    3,527.60x = 5,291.46 × 1,678.35
  4. Step 4: Simplify right side
    3,527.60x = 8,880,921.89
  5. Step 5: Solve for x
    x = 8,880,921.89/3,527.60
  6. Step 6: Final answer
    x = 2,517.55

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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.