Home / 2,984.74-4,118.96-1,725.77

Finding the Fourth Proportional to 2,984.74, 4,118.96 and 1,725.77

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Solution

The fourth proportional to 2,984.74, 4,118.96 and 1,725.77 is: 2,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.74 : 4,118.96 = 1,725.77 : x
  2. Step 2: Convert to fraction form
    2,984.74/4,118.96 = 1,725.77/x
  3. Step 3: Cross multiply
    2,984.74x = 4,118.96 × 1,725.77
  4. Step 4: Simplify right side
    2,984.74x = 7,108,377.60
  5. Step 5: Solve for x
    x = 7,108,377.60/2,984.74
  6. Step 6: Final answer
    x = 2,381.57

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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.