Home / 1,823.68-2,734.80-1,054.72

Finding the Fourth Proportional to 1,823.68, 2,734.80 and 1,054.72

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Solution

The fourth proportional to 1,823.68, 2,734.80 and 1,054.72 is: 1,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.68 : 2,734.80 = 1,054.72 : x
  2. Step 2: Convert to fraction form
    1,823.68/2,734.80 = 1,054.72/x
  3. Step 3: Cross multiply
    1,823.68x = 2,734.80 × 1,054.72
  4. Step 4: Simplify right side
    1,823.68x = 2,884,448.26
  5. Step 5: Solve for x
    x = 2,884,448.26/1,823.68
  6. Step 6: Final answer
    x = 1,581.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.