Home / 2,152.15-3,228.23-2,030.65

Finding the Fourth Proportional to 2,152.15, 3,228.23 and 2,030.65

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Solution

The fourth proportional to 2,152.15, 3,228.23 and 2,030.65 is: 3,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.15 : 3,228.23 = 2,030.65 : x
  2. Step 2: Convert to fraction form
    2,152.15/3,228.23 = 2,030.65/x
  3. Step 3: Cross multiply
    2,152.15x = 3,228.23 × 2,030.65
  4. Step 4: Simplify right side
    2,152.15x = 6,555,395.10
  5. Step 5: Solve for x
    x = 6,555,395.10/2,152.15
  6. Step 6: Final answer
    x = 3,045.98

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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.