Home / 2,435.30-3,653.40-875.36

Finding the Fourth Proportional to 2,435.30, 3,653.40 and 875.36

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Solution

The fourth proportional to 2,435.30, 3,653.40 and 875.36 is: 1,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.30 : 3,653.40 = 875.36 : x
  2. Step 2: Convert to fraction form
    2,435.30/3,653.40 = 875.36/x
  3. Step 3: Cross multiply
    2,435.30x = 3,653.40 × 875.36
  4. Step 4: Simplify right side
    2,435.30x = 3,198,040.22
  5. Step 5: Solve for x
    x = 3,198,040.22/2,435.30
  6. Step 6: Final answer
    x = 1,313.20

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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.