Home / 1,871.42-2,582.67-1,074.99

Finding the Fourth Proportional to 1,871.42, 2,582.67 and 1,074.99

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Solution

The fourth proportional to 1,871.42, 2,582.67 and 1,074.99 is: 1,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.42 : 2,582.67 = 1,074.99 : x
  2. Step 2: Convert to fraction form
    1,871.42/2,582.67 = 1,074.99/x
  3. Step 3: Cross multiply
    1,871.42x = 2,582.67 × 1,074.99
  4. Step 4: Simplify right side
    1,871.42x = 2,776,337.97
  5. Step 5: Solve for x
    x = 2,776,337.97/1,871.42
  6. Step 6: Final answer
    x = 1,483.55

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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.