Home / 2,985.20-4,478.56-1,037.52

Finding the Fourth Proportional to 2,985.20, 4,478.56 and 1,037.52

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Solution

The fourth proportional to 2,985.20, 4,478.56 and 1,037.52 is: 1,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.20 : 4,478.56 = 1,037.52 : x
  2. Step 2: Convert to fraction form
    2,985.20/4,478.56 = 1,037.52/x
  3. Step 3: Cross multiply
    2,985.20x = 4,478.56 × 1,037.52
  4. Step 4: Simplify right side
    2,985.20x = 4,646,595.57
  5. Step 5: Solve for x
    x = 4,646,595.57/2,985.20
  6. Step 6: Final answer
    x = 1,556.54

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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.