Home / 2,853.15-4,280.06-1,097.74

Finding the Fourth Proportional to 2,853.15, 4,280.06 and 1,097.74

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Solution

The fourth proportional to 2,853.15, 4,280.06 and 1,097.74 is: 1,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.15 : 4,280.06 = 1,097.74 : x
  2. Step 2: Convert to fraction form
    2,853.15/4,280.06 = 1,097.74/x
  3. Step 3: Cross multiply
    2,853.15x = 4,280.06 × 1,097.74
  4. Step 4: Simplify right side
    2,853.15x = 4,698,401.16
  5. Step 5: Solve for x
    x = 4,698,401.16/2,853.15
  6. Step 6: Final answer
    x = 1,646.74

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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.