Home / 2,276.04-3,413.40-814.40

Finding the Fourth Proportional to 2,276.04, 3,413.40 and 814.40

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Solution

The fourth proportional to 2,276.04, 3,413.40 and 814.40 is: 1,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.04 : 3,413.40 = 814.40 : x
  2. Step 2: Convert to fraction form
    2,276.04/3,413.40 = 814.40/x
  3. Step 3: Cross multiply
    2,276.04x = 3,413.40 × 814.40
  4. Step 4: Simplify right side
    2,276.04x = 2,779,872.96
  5. Step 5: Solve for x
    x = 2,779,872.96/2,276.04
  6. Step 6: Final answer
    x = 1,221.36

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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.