Home / 4,052.79-6,079.46-1,279.58

Finding the Fourth Proportional to 4,052.79, 6,079.46 and 1,279.58

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Solution

The fourth proportional to 4,052.79, 6,079.46 and 1,279.58 is: 1,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.79 : 6,079.46 = 1,279.58 : x
  2. Step 2: Convert to fraction form
    4,052.79/6,079.46 = 1,279.58/x
  3. Step 3: Cross multiply
    4,052.79x = 6,079.46 × 1,279.58
  4. Step 4: Simplify right side
    4,052.79x = 7,779,118.63
  5. Step 5: Solve for x
    x = 7,779,118.63/4,052.79
  6. Step 6: Final answer
    x = 1,919.45

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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.