Home / 3,030.76-4,544.97-1,275.69

Finding the Fourth Proportional to 3,030.76, 4,544.97 and 1,275.69

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Solution

The fourth proportional to 3,030.76, 4,544.97 and 1,275.69 is: 1,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.76 : 4,544.97 = 1,275.69 : x
  2. Step 2: Convert to fraction form
    3,030.76/4,544.97 = 1,275.69/x
  3. Step 3: Cross multiply
    3,030.76x = 4,544.97 × 1,275.69
  4. Step 4: Simplify right side
    3,030.76x = 5,797,985.04
  5. Step 5: Solve for x
    x = 5,797,985.04/3,030.76
  6. Step 6: Final answer
    x = 1,913.05

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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.