Home / 3,102.59-4,281.65-1,705.34

Finding the Fourth Proportional to 3,102.59, 4,281.65 and 1,705.34

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Solution

The fourth proportional to 3,102.59, 4,281.65 and 1,705.34 is: 2,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.59 : 4,281.65 = 1,705.34 : x
  2. Step 2: Convert to fraction form
    3,102.59/4,281.65 = 1,705.34/x
  3. Step 3: Cross multiply
    3,102.59x = 4,281.65 × 1,705.34
  4. Step 4: Simplify right side
    3,102.59x = 7,301,639.08
  5. Step 5: Solve for x
    x = 7,301,639.08/3,102.59
  6. Step 6: Final answer
    x = 2,353.41

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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.