Home / 3,710.01-5,118.08-2,137.19

Finding the Fourth Proportional to 3,710.01, 5,118.08 and 2,137.19

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Solution

The fourth proportional to 3,710.01, 5,118.08 and 2,137.19 is: 2,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.01 : 5,118.08 = 2,137.19 : x
  2. Step 2: Convert to fraction form
    3,710.01/5,118.08 = 2,137.19/x
  3. Step 3: Cross multiply
    3,710.01x = 5,118.08 × 2,137.19
  4. Step 4: Simplify right side
    3,710.01x = 10,938,311.50
  5. Step 5: Solve for x
    x = 10,938,311.50/3,710.01
  6. Step 6: Final answer
    x = 2,948.32

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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.