Home / 2,024.96-2,776.21-1,988.05

Finding the Fourth Proportional to 2,024.96, 2,776.21 and 1,988.05

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Solution

The fourth proportional to 2,024.96, 2,776.21 and 1,988.05 is: 2,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.96 : 2,776.21 = 1,988.05 : x
  2. Step 2: Convert to fraction form
    2,024.96/2,776.21 = 1,988.05/x
  3. Step 3: Cross multiply
    2,024.96x = 2,776.21 × 1,988.05
  4. Step 4: Simplify right side
    2,024.96x = 5,519,248.77
  5. Step 5: Solve for x
    x = 5,519,248.77/2,024.96
  6. Step 6: Final answer
    x = 2,725.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.