Home / 1,869.93-2,580.80-1,084.23

Finding the Fourth Proportional to 1,869.93, 2,580.80 and 1,084.23

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Solution

The fourth proportional to 1,869.93, 2,580.80 and 1,084.23 is: 1,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.93 : 2,580.80 = 1,084.23 : x
  2. Step 2: Convert to fraction form
    1,869.93/2,580.80 = 1,084.23/x
  3. Step 3: Cross multiply
    1,869.93x = 2,580.80 × 1,084.23
  4. Step 4: Simplify right side
    1,869.93x = 2,798,175.36
  5. Step 5: Solve for x
    x = 2,798,175.36/1,869.93
  6. Step 6: Final answer
    x = 1,496.41

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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.