Home / 2,245.74-3,376.21-1,810.05

Finding the Fourth Proportional to 2,245.74, 3,376.21 and 1,810.05

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Solution

The fourth proportional to 2,245.74, 3,376.21 and 1,810.05 is: 2,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.74 : 3,376.21 = 1,810.05 : x
  2. Step 2: Convert to fraction form
    2,245.74/3,376.21 = 1,810.05/x
  3. Step 3: Cross multiply
    2,245.74x = 3,376.21 × 1,810.05
  4. Step 4: Simplify right side
    2,245.74x = 6,111,111.17
  5. Step 5: Solve for x
    x = 6,111,111.17/2,245.74
  6. Step 6: Final answer
    x = 2,721.20

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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.