Home / 2,641.10-3,962.59-1,603.22

Finding the Fourth Proportional to 2,641.10, 3,962.59 and 1,603.22

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Solution

The fourth proportional to 2,641.10, 3,962.59 and 1,603.22 is: 2,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.10 : 3,962.59 = 1,603.22 : x
  2. Step 2: Convert to fraction form
    2,641.10/3,962.59 = 1,603.22/x
  3. Step 3: Cross multiply
    2,641.10x = 3,962.59 × 1,603.22
  4. Step 4: Simplify right side
    2,641.10x = 6,352,879.72
  5. Step 5: Solve for x
    x = 6,352,879.72/2,641.10
  6. Step 6: Final answer
    x = 2,405.40

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1.5x scale

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.