Home / 1,861.06-2,788.95-1,370.26

Finding the Fourth Proportional to 1,861.06, 2,788.95 and 1,370.26

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Solution

The fourth proportional to 1,861.06, 2,788.95 and 1,370.26 is: 2,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.06 : 2,788.95 = 1,370.26 : x
  2. Step 2: Convert to fraction form
    1,861.06/2,788.95 = 1,370.26/x
  3. Step 3: Cross multiply
    1,861.06x = 2,788.95 × 1,370.26
  4. Step 4: Simplify right side
    1,861.06x = 3,821,586.63
  5. Step 5: Solve for x
    x = 3,821,586.63/1,861.06
  6. Step 6: Final answer
    x = 2,053.45

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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.