Home / 2,313.95-3,470.69-1,260.10

Finding the Fourth Proportional to 2,313.95, 3,470.69 and 1,260.10

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Solution

The fourth proportional to 2,313.95, 3,470.69 and 1,260.10 is: 1,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.95 : 3,470.69 = 1,260.10 : x
  2. Step 2: Convert to fraction form
    2,313.95/3,470.69 = 1,260.10/x
  3. Step 3: Cross multiply
    2,313.95x = 3,470.69 × 1,260.10
  4. Step 4: Simplify right side
    2,313.95x = 4,373,410.94
  5. Step 5: Solve for x
    x = 4,373,410.94/2,313.95
  6. Step 6: Final answer
    x = 1,890.02

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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.