Home / 2,258.01-3,386.14-776.95

Finding the Fourth Proportional to 2,258.01, 3,386.14 and 776.95

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Solution

The fourth proportional to 2,258.01, 3,386.14 and 776.95 is: 1,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.01 : 3,386.14 = 776.95 : x
  2. Step 2: Convert to fraction form
    2,258.01/3,386.14 = 776.95/x
  3. Step 3: Cross multiply
    2,258.01x = 3,386.14 × 776.95
  4. Step 4: Simplify right side
    2,258.01x = 2,630,866.68
  5. Step 5: Solve for x
    x = 2,630,866.68/2,258.01
  6. Step 6: Final answer
    x = 1,165.13

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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.