Home / 2,489.19-3,435.48-1,495.05

Finding the Fourth Proportional to 2,489.19, 3,435.48 and 1,495.05

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Solution

The fourth proportional to 2,489.19, 3,435.48 and 1,495.05 is: 2,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.19 : 3,435.48 = 1,495.05 : x
  2. Step 2: Convert to fraction form
    2,489.19/3,435.48 = 1,495.05/x
  3. Step 3: Cross multiply
    2,489.19x = 3,435.48 × 1,495.05
  4. Step 4: Simplify right side
    2,489.19x = 5,136,214.37
  5. Step 5: Solve for x
    x = 5,136,214.37/2,489.19
  6. Step 6: Final answer
    x = 2,063.41

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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.