Home / 2,258.49-3,120.63-1,864.83

Finding the Fourth Proportional to 2,258.49, 3,120.63 and 1,864.83

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Solution

The fourth proportional to 2,258.49, 3,120.63 and 1,864.83 is: 2,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.49 : 3,120.63 = 1,864.83 : x
  2. Step 2: Convert to fraction form
    2,258.49/3,120.63 = 1,864.83/x
  3. Step 3: Cross multiply
    2,258.49x = 3,120.63 × 1,864.83
  4. Step 4: Simplify right side
    2,258.49x = 5,819,444.44
  5. Step 5: Solve for x
    x = 5,819,444.44/2,258.49
  6. Step 6: Final answer
    x = 2,576.70

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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.