Home / 2,700.19-4,048.93-1,313.61

Finding the Fourth Proportional to 2,700.19, 4,048.93 and 1,313.61

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Solution

The fourth proportional to 2,700.19, 4,048.93 and 1,313.61 is: 1,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.19 : 4,048.93 = 1,313.61 : x
  2. Step 2: Convert to fraction form
    2,700.19/4,048.93 = 1,313.61/x
  3. Step 3: Cross multiply
    2,700.19x = 4,048.93 × 1,313.61
  4. Step 4: Simplify right side
    2,700.19x = 5,318,714.94
  5. Step 5: Solve for x
    x = 5,318,714.94/2,700.19
  6. Step 6: Final answer
    x = 1,969.76

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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.