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Finding the Fourth Proportional to 1,873.68, 2,585.27 and 1,087.27

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Solution

The fourth proportional to 1,873.68, 2,585.27 and 1,087.27 is: 1,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.68 : 2,585.27 = 1,087.27 : x
  2. Step 2: Convert to fraction form
    1,873.68/2,585.27 = 1,087.27/x
  3. Step 3: Cross multiply
    1,873.68x = 2,585.27 × 1,087.27
  4. Step 4: Simplify right side
    1,873.68x = 2,810,886.51
  5. Step 5: Solve for x
    x = 2,810,886.51/1,873.68
  6. Step 6: Final answer
    x = 1,500.20

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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.