Home / 2,990.95-4,483.53-1,675.34

Finding the Fourth Proportional to 2,990.95, 4,483.53 and 1,675.34

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Solution

The fourth proportional to 2,990.95, 4,483.53 and 1,675.34 is: 2,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.95 : 4,483.53 = 1,675.34 : x
  2. Step 2: Convert to fraction form
    2,990.95/4,483.53 = 1,675.34/x
  3. Step 3: Cross multiply
    2,990.95x = 4,483.53 × 1,675.34
  4. Step 4: Simplify right side
    2,990.95x = 7,511,428.77
  5. Step 5: Solve for x
    x = 7,511,428.77/2,990.95
  6. Step 6: Final answer
    x = 2,511.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.