Home / 2,705.61-3,730.36-2,258.13

Finding the Fourth Proportional to 2,705.61, 3,730.36 and 2,258.13

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Solution

The fourth proportional to 2,705.61, 3,730.36 and 2,258.13 is: 3,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.61 : 3,730.36 = 2,258.13 : x
  2. Step 2: Convert to fraction form
    2,705.61/3,730.36 = 2,258.13/x
  3. Step 3: Cross multiply
    2,705.61x = 3,730.36 × 2,258.13
  4. Step 4: Simplify right side
    2,705.61x = 8,423,619.18
  5. Step 5: Solve for x
    x = 8,423,619.18/2,705.61
  6. Step 6: Final answer
    x = 3,113.39

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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.