Home / 3,585.20-5,368.08-1,850.40

Finding the Fourth Proportional to 3,585.20, 5,368.08 and 1,850.40

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Solution

The fourth proportional to 3,585.20, 5,368.08 and 1,850.40 is: 2,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.20 : 5,368.08 = 1,850.40 : x
  2. Step 2: Convert to fraction form
    3,585.20/5,368.08 = 1,850.40/x
  3. Step 3: Cross multiply
    3,585.20x = 5,368.08 × 1,850.40
  4. Step 4: Simplify right side
    3,585.20x = 9,933,095.23
  5. Step 5: Solve for x
    x = 9,933,095.23/3,585.20
  6. Step 6: Final answer
    x = 2,770.58

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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.