Home / 3,585.60-5,376.46-1,393.74

Finding the Fourth Proportional to 3,585.60, 5,376.46 and 1,393.74

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Solution

The fourth proportional to 3,585.60, 5,376.46 and 1,393.74 is: 2,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.60 : 5,376.46 = 1,393.74 : x
  2. Step 2: Convert to fraction form
    3,585.60/5,376.46 = 1,393.74/x
  3. Step 3: Cross multiply
    3,585.60x = 5,376.46 × 1,393.74
  4. Step 4: Simplify right side
    3,585.60x = 7,493,387.36
  5. Step 5: Solve for x
    x = 7,493,387.36/3,585.60
  6. Step 6: Final answer
    x = 2,089.86

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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.