Home / 3,017.75-4,515.28-1,785.74

Finding the Fourth Proportional to 3,017.75, 4,515.28 and 1,785.74

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Solution

The fourth proportional to 3,017.75, 4,515.28 and 1,785.74 is: 2,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.75 : 4,515.28 = 1,785.74 : x
  2. Step 2: Convert to fraction form
    3,017.75/4,515.28 = 1,785.74/x
  3. Step 3: Cross multiply
    3,017.75x = 4,515.28 × 1,785.74
  4. Step 4: Simplify right side
    3,017.75x = 8,063,089.07
  5. Step 5: Solve for x
    x = 8,063,089.07/3,017.75
  6. Step 6: Final answer
    x = 2,671.89

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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.