Home / 3,030.68-4,182.35-1,851.75

Finding the Fourth Proportional to 3,030.68, 4,182.35 and 1,851.75

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Solution

The fourth proportional to 3,030.68, 4,182.35 and 1,851.75 is: 2,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.68 : 4,182.35 = 1,851.75 : x
  2. Step 2: Convert to fraction form
    3,030.68/4,182.35 = 1,851.75/x
  3. Step 3: Cross multiply
    3,030.68x = 4,182.35 × 1,851.75
  4. Step 4: Simplify right side
    3,030.68x = 7,744,657.35
  5. Step 5: Solve for x
    x = 7,744,657.35/3,030.68
  6. Step 6: Final answer
    x = 2,555.42

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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.