Home / 3,090.02-4,635.03-1,447.72

Finding the Fourth Proportional to 3,090.02, 4,635.03 and 1,447.72

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Solution

The fourth proportional to 3,090.02, 4,635.03 and 1,447.72 is: 2,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.02 : 4,635.03 = 1,447.72 : x
  2. Step 2: Convert to fraction form
    3,090.02/4,635.03 = 1,447.72/x
  3. Step 3: Cross multiply
    3,090.02x = 4,635.03 × 1,447.72
  4. Step 4: Simplify right side
    3,090.02x = 6,710,225.63
  5. Step 5: Solve for x
    x = 6,710,225.63/3,090.02
  6. Step 6: Final answer
    x = 2,171.58

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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.