Home / 3,314.15-4,565.57-2,840.55

Finding the Fourth Proportional to 3,314.15, 4,565.57 and 2,840.55

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Solution

The fourth proportional to 3,314.15, 4,565.57 and 2,840.55 is: 3,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.15 : 4,565.57 = 2,840.55 : x
  2. Step 2: Convert to fraction form
    3,314.15/4,565.57 = 2,840.55/x
  3. Step 3: Cross multiply
    3,314.15x = 4,565.57 × 2,840.55
  4. Step 4: Simplify right side
    3,314.15x = 12,968,729.86
  5. Step 5: Solve for x
    x = 12,968,729.86/3,314.15
  6. Step 6: Final answer
    x = 3,913.14

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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.