Home / 2,454.58-3,661.13-2,085.22

Finding the Fourth Proportional to 2,454.58, 3,661.13 and 2,085.22

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Solution

The fourth proportional to 2,454.58, 3,661.13 and 2,085.22 is: 3,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.58 : 3,661.13 = 2,085.22 : x
  2. Step 2: Convert to fraction form
    2,454.58/3,661.13 = 2,085.22/x
  3. Step 3: Cross multiply
    2,454.58x = 3,661.13 × 2,085.22
  4. Step 4: Simplify right side
    2,454.58x = 7,634,261.50
  5. Step 5: Solve for x
    x = 7,634,261.50/2,454.58
  6. Step 6: Final answer
    x = 3,110.21

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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.