Home / 3,718.04-5,130.16-2,205.32

Finding the Fourth Proportional to 3,718.04, 5,130.16 and 2,205.32

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Solution

The fourth proportional to 3,718.04, 5,130.16 and 2,205.32 is: 3,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.04 : 5,130.16 = 2,205.32 : x
  2. Step 2: Convert to fraction form
    3,718.04/5,130.16 = 2,205.32/x
  3. Step 3: Cross multiply
    3,718.04x = 5,130.16 × 2,205.32
  4. Step 4: Simplify right side
    3,718.04x = 11,313,644.45
  5. Step 5: Solve for x
    x = 11,313,644.45/3,718.04
  6. Step 6: Final answer
    x = 3,042.91

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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.