Home / 3,195.48-4,409.76-1,870.08

Finding the Fourth Proportional to 3,195.48, 4,409.76 and 1,870.08

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Solution

The fourth proportional to 3,195.48, 4,409.76 and 1,870.08 is: 2,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.48 : 4,409.76 = 1,870.08 : x
  2. Step 2: Convert to fraction form
    3,195.48/4,409.76 = 1,870.08/x
  3. Step 3: Cross multiply
    3,195.48x = 4,409.76 × 1,870.08
  4. Step 4: Simplify right side
    3,195.48x = 8,246,603.98
  5. Step 5: Solve for x
    x = 8,246,603.98/3,195.48
  6. Step 6: Final answer
    x = 2,580.71

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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.