Home / 2,705.16-3,730.65-1,708.71

Finding the Fourth Proportional to 2,705.16, 3,730.65 and 1,708.71

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Solution

The fourth proportional to 2,705.16, 3,730.65 and 1,708.71 is: 2,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.16 : 3,730.65 = 1,708.71 : x
  2. Step 2: Convert to fraction form
    2,705.16/3,730.65 = 1,708.71/x
  3. Step 3: Cross multiply
    2,705.16x = 3,730.65 × 1,708.71
  4. Step 4: Simplify right side
    2,705.16x = 6,374,598.96
  5. Step 5: Solve for x
    x = 6,374,598.96/2,705.16
  6. Step 6: Final answer
    x = 2,356.46

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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.