Home / 3,085.02-4,627.76-1,329.65

Finding the Fourth Proportional to 3,085.02, 4,627.76 and 1,329.65

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Solution

The fourth proportional to 3,085.02, 4,627.76 and 1,329.65 is: 1,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.02 : 4,627.76 = 1,329.65 : x
  2. Step 2: Convert to fraction form
    3,085.02/4,627.76 = 1,329.65/x
  3. Step 3: Cross multiply
    3,085.02x = 4,627.76 × 1,329.65
  4. Step 4: Simplify right side
    3,085.02x = 6,153,271.30
  5. Step 5: Solve for x
    x = 6,153,271.30/3,085.02
  6. Step 6: Final answer
    x = 1,994.56

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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.