Home / 1,858.68-2,788.80-1,166.92

Finding the Fourth Proportional to 1,858.68, 2,788.80 and 1,166.92

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Solution

The fourth proportional to 1,858.68, 2,788.80 and 1,166.92 is: 1,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.68 : 2,788.80 = 1,166.92 : x
  2. Step 2: Convert to fraction form
    1,858.68/2,788.80 = 1,166.92/x
  3. Step 3: Cross multiply
    1,858.68x = 2,788.80 × 1,166.92
  4. Step 4: Simplify right side
    1,858.68x = 3,254,306.50
  5. Step 5: Solve for x
    x = 3,254,306.50/1,858.68
  6. Step 6: Final answer
    x = 1,750.87

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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.