Home / 3,585.48-5,378.18-1,395.74

Finding the Fourth Proportional to 3,585.48, 5,378.18 and 1,395.74

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Solution

The fourth proportional to 3,585.48, 5,378.18 and 1,395.74 is: 2,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.48 : 5,378.18 = 1,395.74 : x
  2. Step 2: Convert to fraction form
    3,585.48/5,378.18 = 1,395.74/x
  3. Step 3: Cross multiply
    3,585.48x = 5,378.18 × 1,395.74
  4. Step 4: Simplify right side
    3,585.48x = 7,506,540.95
  5. Step 5: Solve for x
    x = 7,506,540.95/3,585.48
  6. Step 6: Final answer
    x = 2,093.59

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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.