Home / 2,258.06-3,116.14-1,373.70

Finding the Fourth Proportional to 2,258.06, 3,116.14 and 1,373.70

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Solution

The fourth proportional to 2,258.06, 3,116.14 and 1,373.70 is: 1,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.06 : 3,116.14 = 1,373.70 : x
  2. Step 2: Convert to fraction form
    2,258.06/3,116.14 = 1,373.70/x
  3. Step 3: Cross multiply
    2,258.06x = 3,116.14 × 1,373.70
  4. Step 4: Simplify right side
    2,258.06x = 4,280,641.52
  5. Step 5: Solve for x
    x = 4,280,641.52/2,258.06
  6. Step 6: Final answer
    x = 1,895.72

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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.