Home / 2,985.82-4,478.73-1,038.03

Finding the Fourth Proportional to 2,985.82, 4,478.73 and 1,038.03

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Solution

The fourth proportional to 2,985.82, 4,478.73 and 1,038.03 is: 1,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.82 : 4,478.73 = 1,038.03 : x
  2. Step 2: Convert to fraction form
    2,985.82/4,478.73 = 1,038.03/x
  3. Step 3: Cross multiply
    2,985.82x = 4,478.73 × 1,038.03
  4. Step 4: Simplify right side
    2,985.82x = 4,649,056.10
  5. Step 5: Solve for x
    x = 4,649,056.10/2,985.82
  6. Step 6: Final answer
    x = 1,557.05

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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.