Home / 2,495.12-3,443.21-1,376.16

Finding the Fourth Proportional to 2,495.12, 3,443.21 and 1,376.16

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Solution

The fourth proportional to 2,495.12, 3,443.21 and 1,376.16 is: 1,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.12 : 3,443.21 = 1,376.16 : x
  2. Step 2: Convert to fraction form
    2,495.12/3,443.21 = 1,376.16/x
  3. Step 3: Cross multiply
    2,495.12x = 3,443.21 × 1,376.16
  4. Step 4: Simplify right side
    2,495.12x = 4,738,407.87
  5. Step 5: Solve for x
    x = 4,738,407.87/2,495.12
  6. Step 6: Final answer
    x = 1,899.07

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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.