Home / 3,258.66-4,495.59-2,140.86

Finding the Fourth Proportional to 3,258.66, 4,495.59 and 2,140.86

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Solution

The fourth proportional to 3,258.66, 4,495.59 and 2,140.86 is: 2,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.66 : 4,495.59 = 2,140.86 : x
  2. Step 2: Convert to fraction form
    3,258.66/4,495.59 = 2,140.86/x
  3. Step 3: Cross multiply
    3,258.66x = 4,495.59 × 2,140.86
  4. Step 4: Simplify right side
    3,258.66x = 9,624,428.81
  5. Step 5: Solve for x
    x = 9,624,428.81/3,258.66
  6. Step 6: Final answer
    x = 2,953.49

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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.