Home / 3,717.41-5,130.07-2,038.81

Finding the Fourth Proportional to 3,717.41, 5,130.07 and 2,038.81

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Solution

The fourth proportional to 3,717.41, 5,130.07 and 2,038.81 is: 2,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.41 : 5,130.07 = 2,038.81 : x
  2. Step 2: Convert to fraction form
    3,717.41/5,130.07 = 2,038.81/x
  3. Step 3: Cross multiply
    3,717.41x = 5,130.07 × 2,038.81
  4. Step 4: Simplify right side
    3,717.41x = 10,459,238.02
  5. Step 5: Solve for x
    x = 10,459,238.02/3,717.41
  6. Step 6: Final answer
    x = 2,813.58

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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.