Home / 2,155.44-3,225.42-2,030.70

Finding the Fourth Proportional to 2,155.44, 3,225.42 and 2,030.70

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Solution

The fourth proportional to 2,155.44, 3,225.42 and 2,030.70 is: 3,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.44 : 3,225.42 = 2,030.70 : x
  2. Step 2: Convert to fraction form
    2,155.44/3,225.42 = 2,030.70/x
  3. Step 3: Cross multiply
    2,155.44x = 3,225.42 × 2,030.70
  4. Step 4: Simplify right side
    2,155.44x = 6,549,860.39
  5. Step 5: Solve for x
    x = 6,549,860.39/2,155.44
  6. Step 6: Final answer
    x = 3,038.76

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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.