Home / 3,056.60-4,218.03-1,730.63

Finding the Fourth Proportional to 3,056.60, 4,218.03 and 1,730.63

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Solution

The fourth proportional to 3,056.60, 4,218.03 and 1,730.63 is: 2,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.60 : 4,218.03 = 1,730.63 : x
  2. Step 2: Convert to fraction form
    3,056.60/4,218.03 = 1,730.63/x
  3. Step 3: Cross multiply
    3,056.60x = 4,218.03 × 1,730.63
  4. Step 4: Simplify right side
    3,056.60x = 7,299,828.17
  5. Step 5: Solve for x
    x = 7,299,828.17/3,056.60
  6. Step 6: Final answer
    x = 2,388.22

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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.