Home / 2,245.84-3,088.98-1,802.77

Finding the Fourth Proportional to 2,245.84, 3,088.98 and 1,802.77

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Solution

The fourth proportional to 2,245.84, 3,088.98 and 1,802.77 is: 2,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.84 : 3,088.98 = 1,802.77 : x
  2. Step 2: Convert to fraction form
    2,245.84/3,088.98 = 1,802.77/x
  3. Step 3: Cross multiply
    2,245.84x = 3,088.98 × 1,802.77
  4. Step 4: Simplify right side
    2,245.84x = 5,568,720.47
  5. Step 5: Solve for x
    x = 5,568,720.47/2,245.84
  6. Step 6: Final answer
    x = 2,479.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.