Home / 2,528.10-3,489.12-1,533.96

Finding the Fourth Proportional to 2,528.10, 3,489.12 and 1,533.96

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Solution

The fourth proportional to 2,528.10, 3,489.12 and 1,533.96 is: 2,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.10 : 3,489.12 = 1,533.96 : x
  2. Step 2: Convert to fraction form
    2,528.10/3,489.12 = 1,533.96/x
  3. Step 3: Cross multiply
    2,528.10x = 3,489.12 × 1,533.96
  4. Step 4: Simplify right side
    2,528.10x = 5,352,170.52
  5. Step 5: Solve for x
    x = 5,352,170.52/2,528.10
  6. Step 6: Final answer
    x = 2,117.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.