Home / 3,068.87-4,230.14-2,421.03

Finding the Fourth Proportional to 3,068.87, 4,230.14 and 2,421.03

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Solution

The fourth proportional to 3,068.87, 4,230.14 and 2,421.03 is: 3,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.87 : 4,230.14 = 2,421.03 : x
  2. Step 2: Convert to fraction form
    3,068.87/4,230.14 = 2,421.03/x
  3. Step 3: Cross multiply
    3,068.87x = 4,230.14 × 2,421.03
  4. Step 4: Simplify right side
    3,068.87x = 10,241,283.74
  5. Step 5: Solve for x
    x = 10,241,283.74/3,068.87
  6. Step 6: Final answer
    x = 3,337.16

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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.