Home / 2,280.22-3,416.14-1,840.05

Finding the Fourth Proportional to 2,280.22, 3,416.14 and 1,840.05

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Solution

The fourth proportional to 2,280.22, 3,416.14 and 1,840.05 is: 2,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.22 : 3,416.14 = 1,840.05 : x
  2. Step 2: Convert to fraction form
    2,280.22/3,416.14 = 1,840.05/x
  3. Step 3: Cross multiply
    2,280.22x = 3,416.14 × 1,840.05
  4. Step 4: Simplify right side
    2,280.22x = 6,285,870.71
  5. Step 5: Solve for x
    x = 6,285,870.71/2,280.22
  6. Step 6: Final answer
    x = 2,756.70

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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.