Home / 2,880.12-4,316.52-1,234.74

Finding the Fourth Proportional to 2,880.12, 4,316.52 and 1,234.74

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Solution

The fourth proportional to 2,880.12, 4,316.52 and 1,234.74 is: 1,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.12 : 4,316.52 = 1,234.74 : x
  2. Step 2: Convert to fraction form
    2,880.12/4,316.52 = 1,234.74/x
  3. Step 3: Cross multiply
    2,880.12x = 4,316.52 × 1,234.74
  4. Step 4: Simplify right side
    2,880.12x = 5,329,779.90
  5. Step 5: Solve for x
    x = 5,329,779.90/2,880.12
  6. Step 6: Final answer
    x = 1,850.54

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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.