Home / 2,720.53-3,756.45-2,090.06

Finding the Fourth Proportional to 2,720.53, 3,756.45 and 2,090.06

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Solution

The fourth proportional to 2,720.53, 3,756.45 and 2,090.06 is: 2,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.53 : 3,756.45 = 2,090.06 : x
  2. Step 2: Convert to fraction form
    2,720.53/3,756.45 = 2,090.06/x
  3. Step 3: Cross multiply
    2,720.53x = 3,756.45 × 2,090.06
  4. Step 4: Simplify right side
    2,720.53x = 7,851,187.10
  5. Step 5: Solve for x
    x = 7,851,187.10/2,720.53
  6. Step 6: Final answer
    x = 2,885.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.