Home / 3,056.77-4,218.96-1,730.89

Finding the Fourth Proportional to 3,056.77, 4,218.96 and 1,730.89

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Solution

The fourth proportional to 3,056.77, 4,218.96 and 1,730.89 is: 2,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.77 : 4,218.96 = 1,730.89 : x
  2. Step 2: Convert to fraction form
    3,056.77/4,218.96 = 1,730.89/x
  3. Step 3: Cross multiply
    3,056.77x = 4,218.96 × 1,730.89
  4. Step 4: Simplify right side
    3,056.77x = 7,302,555.67
  5. Step 5: Solve for x
    x = 7,302,555.67/3,056.77
  6. Step 6: Final answer
    x = 2,388.98

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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.