Home / 3,158.60-4,358.22-2,413.40

Finding the Fourth Proportional to 3,158.60, 4,358.22 and 2,413.40

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Solution

The fourth proportional to 3,158.60, 4,358.22 and 2,413.40 is: 3,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.60 : 4,358.22 = 2,413.40 : x
  2. Step 2: Convert to fraction form
    3,158.60/4,358.22 = 2,413.40/x
  3. Step 3: Cross multiply
    3,158.60x = 4,358.22 × 2,413.40
  4. Step 4: Simplify right side
    3,158.60x = 10,518,128.15
  5. Step 5: Solve for x
    x = 10,518,128.15/3,158.60
  6. Step 6: Final answer
    x = 3,330.00

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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.