Home / 1,860.86-2,566.92-1,074.76

Finding the Fourth Proportional to 1,860.86, 2,566.92 and 1,074.76

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Solution

The fourth proportional to 1,860.86, 2,566.92 and 1,074.76 is: 1,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.86 : 2,566.92 = 1,074.76 : x
  2. Step 2: Convert to fraction form
    1,860.86/2,566.92 = 1,074.76/x
  3. Step 3: Cross multiply
    1,860.86x = 2,566.92 × 1,074.76
  4. Step 4: Simplify right side
    1,860.86x = 2,758,822.94
  5. Step 5: Solve for x
    x = 2,758,822.94/1,860.86
  6. Step 6: Final answer
    x = 1,482.55

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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.