Home / 3,056.79-4,218.02-1,712.48

Finding the Fourth Proportional to 3,056.79, 4,218.02 and 1,712.48

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Solution

The fourth proportional to 3,056.79, 4,218.02 and 1,712.48 is: 2,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.79 : 4,218.02 = 1,712.48 : x
  2. Step 2: Convert to fraction form
    3,056.79/4,218.02 = 1,712.48/x
  3. Step 3: Cross multiply
    3,056.79x = 4,218.02 × 1,712.48
  4. Step 4: Simplify right side
    3,056.79x = 7,223,245.24
  5. Step 5: Solve for x
    x = 7,223,245.24/3,056.79
  6. Step 6: Final answer
    x = 2,363.02

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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.