Home / 2,435.96-3,356.40-1,648.64

Finding the Fourth Proportional to 2,435.96, 3,356.40 and 1,648.64

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Solution

The fourth proportional to 2,435.96, 3,356.40 and 1,648.64 is: 2,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.96 : 3,356.40 = 1,648.64 : x
  2. Step 2: Convert to fraction form
    2,435.96/3,356.40 = 1,648.64/x
  3. Step 3: Cross multiply
    2,435.96x = 3,356.40 × 1,648.64
  4. Step 4: Simplify right side
    2,435.96x = 5,533,495.30
  5. Step 5: Solve for x
    x = 5,533,495.30/2,435.96
  6. Step 6: Final answer
    x = 2,271.59

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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.