Home / 2,985.18-4,478.04-1,525.56

Finding the Fourth Proportional to 2,985.18, 4,478.04 and 1,525.56

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Solution

The fourth proportional to 2,985.18, 4,478.04 and 1,525.56 is: 2,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.18 : 4,478.04 = 1,525.56 : x
  2. Step 2: Convert to fraction form
    2,985.18/4,478.04 = 1,525.56/x
  3. Step 3: Cross multiply
    2,985.18x = 4,478.04 × 1,525.56
  4. Step 4: Simplify right side
    2,985.18x = 6,831,518.70
  5. Step 5: Solve for x
    x = 6,831,518.70/2,985.18
  6. Step 6: Final answer
    x = 2,288.48

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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.