Home / 1,448.10-2,004.21-1,411.65

Finding the Fourth Proportional to 1,448.10, 2,004.21 and 1,411.65

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Solution

The fourth proportional to 1,448.10, 2,004.21 and 1,411.65 is: 1,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.10 : 2,004.21 = 1,411.65 : x
  2. Step 2: Convert to fraction form
    1,448.10/2,004.21 = 1,411.65/x
  3. Step 3: Cross multiply
    1,448.10x = 2,004.21 × 1,411.65
  4. Step 4: Simplify right side
    1,448.10x = 2,829,243.05
  5. Step 5: Solve for x
    x = 2,829,243.05/1,448.10
  6. Step 6: Final answer
    x = 1,953.76

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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.