Home / 3,596.40-5,392.44-1,288.08

Finding the Fourth Proportional to 3,596.40, 5,392.44 and 1,288.08

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Solution

The fourth proportional to 3,596.40, 5,392.44 and 1,288.08 is: 1,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.40 : 5,392.44 = 1,288.08 : x
  2. Step 2: Convert to fraction form
    3,596.40/5,392.44 = 1,288.08/x
  3. Step 3: Cross multiply
    3,596.40x = 5,392.44 × 1,288.08
  4. Step 4: Simplify right side
    3,596.40x = 6,945,894.12
  5. Step 5: Solve for x
    x = 6,945,894.12/3,596.40
  6. Step 6: Final answer
    x = 1,931.35

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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.