Home / 3,035.60-4,554.08-1,279.60

Finding the Fourth Proportional to 3,035.60, 4,554.08 and 1,279.60

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Solution

The fourth proportional to 3,035.60, 4,554.08 and 1,279.60 is: 1,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.60 : 4,554.08 = 1,279.60 : x
  2. Step 2: Convert to fraction form
    3,035.60/4,554.08 = 1,279.60/x
  3. Step 3: Cross multiply
    3,035.60x = 4,554.08 × 1,279.60
  4. Step 4: Simplify right side
    3,035.60x = 5,827,400.77
  5. Step 5: Solve for x
    x = 5,827,400.77/3,035.60
  6. Step 6: Final answer
    x = 1,919.69

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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.