Home / 3,130.90-4,692.96-2,036.05

Finding the Fourth Proportional to 3,130.90, 4,692.96 and 2,036.05

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Solution

The fourth proportional to 3,130.90, 4,692.96 and 2,036.05 is: 3,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.90 : 4,692.96 = 2,036.05 : x
  2. Step 2: Convert to fraction form
    3,130.90/4,692.96 = 2,036.05/x
  3. Step 3: Cross multiply
    3,130.90x = 4,692.96 × 2,036.05
  4. Step 4: Simplify right side
    3,130.90x = 9,555,101.21
  5. Step 5: Solve for x
    x = 9,555,101.21/3,130.90
  6. Step 6: Final answer
    x = 3,051.87

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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.