Home / 2,097.09-2,886.84-1,800.63

Finding the Fourth Proportional to 2,097.09, 2,886.84 and 1,800.63

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Solution

The fourth proportional to 2,097.09, 2,886.84 and 1,800.63 is: 2,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.09 : 2,886.84 = 1,800.63 : x
  2. Step 2: Convert to fraction form
    2,097.09/2,886.84 = 1,800.63/x
  3. Step 3: Cross multiply
    2,097.09x = 2,886.84 × 1,800.63
  4. Step 4: Simplify right side
    2,097.09x = 5,198,130.71
  5. Step 5: Solve for x
    x = 5,198,130.71/2,097.09
  6. Step 6: Final answer
    x = 2,478.74

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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.