Home / 1,673.60-2,308.70-1,084.32

Finding the Fourth Proportional to 1,673.60, 2,308.70 and 1,084.32

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Solution

The fourth proportional to 1,673.60, 2,308.70 and 1,084.32 is: 1,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.60 : 2,308.70 = 1,084.32 : x
  2. Step 2: Convert to fraction form
    1,673.60/2,308.70 = 1,084.32/x
  3. Step 3: Cross multiply
    1,673.60x = 2,308.70 × 1,084.32
  4. Step 4: Simplify right side
    1,673.60x = 2,503,372.29
  5. Step 5: Solve for x
    x = 2,503,372.29/1,673.60
  6. Step 6: Final answer
    x = 1,495.81

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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.