Home / 2,704.02-4,055.49-972.30

Finding the Fourth Proportional to 2,704.02, 4,055.49 and 972.30

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Solution

The fourth proportional to 2,704.02, 4,055.49 and 972.30 is: 1,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.02 : 4,055.49 = 972.30 : x
  2. Step 2: Convert to fraction form
    2,704.02/4,055.49 = 972.30/x
  3. Step 3: Cross multiply
    2,704.02x = 4,055.49 × 972.30
  4. Step 4: Simplify right side
    2,704.02x = 3,943,152.93
  5. Step 5: Solve for x
    x = 3,943,152.93/2,704.02
  6. Step 6: Final answer
    x = 1,458.26

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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.