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Finding the Fourth Proportional to 2,462.08, 3,693.12 and 2,070.40

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Solution

The fourth proportional to 2,462.08, 3,693.12 and 2,070.40 is: 3,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.08 : 3,693.12 = 2,070.40 : x
  2. Step 2: Convert to fraction form
    2,462.08/3,693.12 = 2,070.40/x
  3. Step 3: Cross multiply
    2,462.08x = 3,693.12 × 2,070.40
  4. Step 4: Simplify right side
    2,462.08x = 7,646,235.65
  5. Step 5: Solve for x
    x = 7,646,235.65/2,462.08
  6. Step 6: Final answer
    x = 3,105.60

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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.