Home / 2,429.12-3,352.26-1,435.25

Finding the Fourth Proportional to 2,429.12, 3,352.26 and 1,435.25

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Solution

The fourth proportional to 2,429.12, 3,352.26 and 1,435.25 is: 1,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.12 : 3,352.26 = 1,435.25 : x
  2. Step 2: Convert to fraction form
    2,429.12/3,352.26 = 1,435.25/x
  3. Step 3: Cross multiply
    2,429.12x = 3,352.26 × 1,435.25
  4. Step 4: Simplify right side
    2,429.12x = 4,811,331.17
  5. Step 5: Solve for x
    x = 4,811,331.17/2,429.12
  6. Step 6: Final answer
    x = 1,980.69

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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.