Home / 3,457.59-4,771.56-1,885.78

Finding the Fourth Proportional to 3,457.59, 4,771.56 and 1,885.78

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Solution

The fourth proportional to 3,457.59, 4,771.56 and 1,885.78 is: 2,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.59 : 4,771.56 = 1,885.78 : x
  2. Step 2: Convert to fraction form
    3,457.59/4,771.56 = 1,885.78/x
  3. Step 3: Cross multiply
    3,457.59x = 4,771.56 × 1,885.78
  4. Step 4: Simplify right side
    3,457.59x = 8,998,112.42
  5. Step 5: Solve for x
    x = 8,998,112.42/3,457.59
  6. Step 6: Final answer
    x = 2,602.42

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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.