Home / 2,840.16-4,258.48-1,106.72

Finding the Fourth Proportional to 2,840.16, 4,258.48 and 1,106.72

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Solution

The fourth proportional to 2,840.16, 4,258.48 and 1,106.72 is: 1,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.16 : 4,258.48 = 1,106.72 : x
  2. Step 2: Convert to fraction form
    2,840.16/4,258.48 = 1,106.72/x
  3. Step 3: Cross multiply
    2,840.16x = 4,258.48 × 1,106.72
  4. Step 4: Simplify right side
    2,840.16x = 4,712,944.99
  5. Step 5: Solve for x
    x = 4,712,944.99/2,840.16
  6. Step 6: Final answer
    x = 1,659.39

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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.