Home / 1,528.08-2,289.06-1,447.32

Finding the Fourth Proportional to 1,528.08, 2,289.06 and 1,447.32

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Solution

The fourth proportional to 1,528.08, 2,289.06 and 1,447.32 is: 2,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.08 : 2,289.06 = 1,447.32 : x
  2. Step 2: Convert to fraction form
    1,528.08/2,289.06 = 1,447.32/x
  3. Step 3: Cross multiply
    1,528.08x = 2,289.06 × 1,447.32
  4. Step 4: Simplify right side
    1,528.08x = 3,313,002.32
  5. Step 5: Solve for x
    x = 3,313,002.32/1,528.08
  6. Step 6: Final answer
    x = 2,168.08

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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.