Home / 3,007.04-4,471.12-2,890.40

Finding the Fourth Proportional to 3,007.04, 4,471.12 and 2,890.40

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Solution

The fourth proportional to 3,007.04, 4,471.12 and 2,890.40 is: 4,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.04 : 4,471.12 = 2,890.40 : x
  2. Step 2: Convert to fraction form
    3,007.04/4,471.12 = 2,890.40/x
  3. Step 3: Cross multiply
    3,007.04x = 4,471.12 × 2,890.40
  4. Step 4: Simplify right side
    3,007.04x = 12,923,325.25
  5. Step 5: Solve for x
    x = 12,923,325.25/3,007.04
  6. Step 6: Final answer
    x = 4,297.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.