Home / 1,935.29-2,669.65-1,670.83

Finding the Fourth Proportional to 1,935.29, 2,669.65 and 1,670.83

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Solution

The fourth proportional to 1,935.29, 2,669.65 and 1,670.83 is: 2,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.29 : 2,669.65 = 1,670.83 : x
  2. Step 2: Convert to fraction form
    1,935.29/2,669.65 = 1,670.83/x
  3. Step 3: Cross multiply
    1,935.29x = 2,669.65 × 1,670.83
  4. Step 4: Simplify right side
    1,935.29x = 4,460,531.31
  5. Step 5: Solve for x
    x = 4,460,531.31/1,935.29
  6. Step 6: Final answer
    x = 2,304.84

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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.