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Finding the Fourth Proportional to 3,098.99, 4,275.10 and 2,051.93

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Solution

The fourth proportional to 3,098.99, 4,275.10 and 2,051.93 is: 2,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.99 : 4,275.10 = 2,051.93 : x
  2. Step 2: Convert to fraction form
    3,098.99/4,275.10 = 2,051.93/x
  3. Step 3: Cross multiply
    3,098.99x = 4,275.10 × 2,051.93
  4. Step 4: Simplify right side
    3,098.99x = 8,772,205.94
  5. Step 5: Solve for x
    x = 8,772,205.94/3,098.99
  6. Step 6: Final answer
    x = 2,830.67

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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.