Home / 1,782.38-2,459.97-1,084.16

Finding the Fourth Proportional to 1,782.38, 2,459.97 and 1,084.16

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Solution

The fourth proportional to 1,782.38, 2,459.97 and 1,084.16 is: 1,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.38 : 2,459.97 = 1,084.16 : x
  2. Step 2: Convert to fraction form
    1,782.38/2,459.97 = 1,084.16/x
  3. Step 3: Cross multiply
    1,782.38x = 2,459.97 × 1,084.16
  4. Step 4: Simplify right side
    1,782.38x = 2,666,988.78
  5. Step 5: Solve for x
    x = 2,666,988.78/1,782.38
  6. Step 6: Final answer
    x = 1,496.31

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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.