Home / 1,871.07-2,582.19-1,074.45

Finding the Fourth Proportional to 1,871.07, 2,582.19 and 1,074.45

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Solution

The fourth proportional to 1,871.07, 2,582.19 and 1,074.45 is: 1,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.07 : 2,582.19 = 1,074.45 : x
  2. Step 2: Convert to fraction form
    1,871.07/2,582.19 = 1,074.45/x
  3. Step 3: Cross multiply
    1,871.07x = 2,582.19 × 1,074.45
  4. Step 4: Simplify right side
    1,871.07x = 2,774,434.05
  5. Step 5: Solve for x
    x = 2,774,434.05/1,871.07
  6. Step 6: Final answer
    x = 1,482.81

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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.