Home / 2,528.30-3,489.06-1,533.32

Finding the Fourth Proportional to 2,528.30, 3,489.06 and 1,533.32

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Solution

The fourth proportional to 2,528.30, 3,489.06 and 1,533.32 is: 2,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.30 : 3,489.06 = 1,533.32 : x
  2. Step 2: Convert to fraction form
    2,528.30/3,489.06 = 1,533.32/x
  3. Step 3: Cross multiply
    2,528.30x = 3,489.06 × 1,533.32
  4. Step 4: Simplify right side
    2,528.30x = 5,349,845.48
  5. Step 5: Solve for x
    x = 5,349,845.48/2,528.30
  6. Step 6: Final answer
    x = 2,115.99

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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.