Home / 2,910.74-4,343.61-2,599.24

Finding the Fourth Proportional to 2,910.74, 4,343.61 and 2,599.24

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Solution

The fourth proportional to 2,910.74, 4,343.61 and 2,599.24 is: 3,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.74 : 4,343.61 = 2,599.24 : x
  2. Step 2: Convert to fraction form
    2,910.74/4,343.61 = 2,599.24/x
  3. Step 3: Cross multiply
    2,910.74x = 4,343.61 × 2,599.24
  4. Step 4: Simplify right side
    2,910.74x = 11,290,071.86
  5. Step 5: Solve for x
    x = 11,290,071.86/2,910.74
  6. Step 6: Final answer
    x = 3,878.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.