Home / 3,258.65-4,495.76-2,140.19

Finding the Fourth Proportional to 3,258.65, 4,495.76 and 2,140.19

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Solution

The fourth proportional to 3,258.65, 4,495.76 and 2,140.19 is: 2,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.65 : 4,495.76 = 2,140.19 : x
  2. Step 2: Convert to fraction form
    3,258.65/4,495.76 = 2,140.19/x
  3. Step 3: Cross multiply
    3,258.65x = 4,495.76 × 2,140.19
  4. Step 4: Simplify right side
    3,258.65x = 9,621,781.13
  5. Step 5: Solve for x
    x = 9,621,781.13/3,258.65
  6. Step 6: Final answer
    x = 2,952.69

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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.