Home / 2,501.12-3,451.75-1,439.22

Finding the Fourth Proportional to 2,501.12, 3,451.75 and 1,439.22

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Solution

The fourth proportional to 2,501.12, 3,451.75 and 1,439.22 is: 1,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.12 : 3,451.75 = 1,439.22 : x
  2. Step 2: Convert to fraction form
    2,501.12/3,451.75 = 1,439.22/x
  3. Step 3: Cross multiply
    2,501.12x = 3,451.75 × 1,439.22
  4. Step 4: Simplify right side
    2,501.12x = 4,967,827.64
  5. Step 5: Solve for x
    x = 4,967,827.64/2,501.12
  6. Step 6: Final answer
    x = 1,986.24

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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.