Home / 3,074.76-4,244.40-1,897.02

Finding the Fourth Proportional to 3,074.76, 4,244.40 and 1,897.02

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Solution

The fourth proportional to 3,074.76, 4,244.40 and 1,897.02 is: 2,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.76 : 4,244.40 = 1,897.02 : x
  2. Step 2: Convert to fraction form
    3,074.76/4,244.40 = 1,897.02/x
  3. Step 3: Cross multiply
    3,074.76x = 4,244.40 × 1,897.02
  4. Step 4: Simplify right side
    3,074.76x = 8,051,711.69
  5. Step 5: Solve for x
    x = 8,051,711.69/3,074.76
  6. Step 6: Final answer
    x = 2,618.65

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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.