Home / 3,160.41-4,740.63-1,427.01

Finding the Fourth Proportional to 3,160.41, 4,740.63 and 1,427.01

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Solution

The fourth proportional to 3,160.41, 4,740.63 and 1,427.01 is: 2,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.41 : 4,740.63 = 1,427.01 : x
  2. Step 2: Convert to fraction form
    3,160.41/4,740.63 = 1,427.01/x
  3. Step 3: Cross multiply
    3,160.41x = 4,740.63 × 1,427.01
  4. Step 4: Simplify right side
    3,160.41x = 6,764,926.42
  5. Step 5: Solve for x
    x = 6,764,926.42/3,160.41
  6. Step 6: Final answer
    x = 2,140.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.