Home / 4,102.81-6,157.35-2,130.05

Finding the Fourth Proportional to 4,102.81, 6,157.35 and 2,130.05

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Solution

The fourth proportional to 4,102.81, 6,157.35 and 2,130.05 is: 3,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.81 : 6,157.35 = 2,130.05 : x
  2. Step 2: Convert to fraction form
    4,102.81/6,157.35 = 2,130.05/x
  3. Step 3: Cross multiply
    4,102.81x = 6,157.35 × 2,130.05
  4. Step 4: Simplify right side
    4,102.81x = 13,115,463.37
  5. Step 5: Solve for x
    x = 13,115,463.37/4,102.81
  6. Step 6: Final answer
    x = 3,196.70

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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.