Home / 1,506.64-2,079.06-1,382.71

Finding the Fourth Proportional to 1,506.64, 2,079.06 and 1,382.71

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Solution

The fourth proportional to 1,506.64, 2,079.06 and 1,382.71 is: 1,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.64 : 2,079.06 = 1,382.71 : x
  2. Step 2: Convert to fraction form
    1,506.64/2,079.06 = 1,382.71/x
  3. Step 3: Cross multiply
    1,506.64x = 2,079.06 × 1,382.71
  4. Step 4: Simplify right side
    1,506.64x = 2,874,737.05
  5. Step 5: Solve for x
    x = 2,874,737.05/1,506.64
  6. Step 6: Final answer
    x = 1,908.05

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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.