Home / 1,377.40-2,056.85-1,195.24

Finding the Fourth Proportional to 1,377.40, 2,056.85 and 1,195.24

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Solution

The fourth proportional to 1,377.40, 2,056.85 and 1,195.24 is: 1,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.40 : 2,056.85 = 1,195.24 : x
  2. Step 2: Convert to fraction form
    1,377.40/2,056.85 = 1,195.24/x
  3. Step 3: Cross multiply
    1,377.40x = 2,056.85 × 1,195.24
  4. Step 4: Simplify right side
    1,377.40x = 2,458,429.39
  5. Step 5: Solve for x
    x = 2,458,429.39/1,377.40
  6. Step 6: Final answer
    x = 1,784.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.