Home / 1,899.60-2,621.77-1,849.64

Finding the Fourth Proportional to 1,899.60, 2,621.77 and 1,849.64

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Solution

The fourth proportional to 1,899.60, 2,621.77 and 1,849.64 is: 2,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.60 : 2,621.77 = 1,849.64 : x
  2. Step 2: Convert to fraction form
    1,899.60/2,621.77 = 1,849.64/x
  3. Step 3: Cross multiply
    1,899.60x = 2,621.77 × 1,849.64
  4. Step 4: Simplify right side
    1,899.60x = 4,849,312.93
  5. Step 5: Solve for x
    x = 4,849,312.93/1,899.60
  6. Step 6: Final answer
    x = 2,552.80

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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.