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Finding the Fourth Proportional to 2,705.68, 3,730.12 and 1,710.46

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Solution

The fourth proportional to 2,705.68, 3,730.12 and 1,710.46 is: 2,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.68 : 3,730.12 = 1,710.46 : x
  2. Step 2: Convert to fraction form
    2,705.68/3,730.12 = 1,710.46/x
  3. Step 3: Cross multiply
    2,705.68x = 3,730.12 × 1,710.46
  4. Step 4: Simplify right side
    2,705.68x = 6,380,221.06
  5. Step 5: Solve for x
    x = 6,380,221.06/2,705.68
  6. Step 6: Final answer
    x = 2,358.08

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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.