Home / 3,717.58-5,130.40-2,039.06

Finding the Fourth Proportional to 3,717.58, 5,130.40 and 2,039.06

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Solution

The fourth proportional to 3,717.58, 5,130.40 and 2,039.06 is: 2,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.58 : 5,130.40 = 2,039.06 : x
  2. Step 2: Convert to fraction form
    3,717.58/5,130.40 = 2,039.06/x
  3. Step 3: Cross multiply
    3,717.58x = 5,130.40 × 2,039.06
  4. Step 4: Simplify right side
    3,717.58x = 10,461,193.42
  5. Step 5: Solve for x
    x = 10,461,193.42/3,717.58
  6. Step 6: Final answer
    x = 2,813.98

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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.