Home / 3,718.08-5,130.09-2,225.43

Finding the Fourth Proportional to 3,718.08, 5,130.09 and 2,225.43

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Solution

The fourth proportional to 3,718.08, 5,130.09 and 2,225.43 is: 3,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.08 : 5,130.09 = 2,225.43 : x
  2. Step 2: Convert to fraction form
    3,718.08/5,130.09 = 2,225.43/x
  3. Step 3: Cross multiply
    3,718.08x = 5,130.09 × 2,225.43
  4. Step 4: Simplify right side
    3,718.08x = 11,416,656.19
  5. Step 5: Solve for x
    x = 11,416,656.19/3,718.08
  6. Step 6: Final answer
    x = 3,070.58

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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.