Home / 3,528.08-5,295.57-1,680.47

Finding the Fourth Proportional to 3,528.08, 5,295.57 and 1,680.47

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Solution

The fourth proportional to 3,528.08, 5,295.57 and 1,680.47 is: 2,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.08 : 5,295.57 = 1,680.47 : x
  2. Step 2: Convert to fraction form
    3,528.08/5,295.57 = 1,680.47/x
  3. Step 3: Cross multiply
    3,528.08x = 5,295.57 × 1,680.47
  4. Step 4: Simplify right side
    3,528.08x = 8,899,038.12
  5. Step 5: Solve for x
    x = 8,899,038.12/3,528.08
  6. Step 6: Final answer
    x = 2,522.35

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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.