Home / 3,717.51-5,130.32-2,038.98

Finding the Fourth Proportional to 3,717.51, 5,130.32 and 2,038.98

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Solution

The fourth proportional to 3,717.51, 5,130.32 and 2,038.98 is: 2,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.51 : 5,130.32 = 2,038.98 : x
  2. Step 2: Convert to fraction form
    3,717.51/5,130.32 = 2,038.98/x
  3. Step 3: Cross multiply
    3,717.51x = 5,130.32 × 2,038.98
  4. Step 4: Simplify right side
    3,717.51x = 10,460,619.87
  5. Step 5: Solve for x
    x = 10,460,619.87/3,717.51
  6. Step 6: Final answer
    x = 2,813.88

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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.