Home / 3,686.36-5,088.30-2,940.08

Finding the Fourth Proportional to 3,686.36, 5,088.30 and 2,940.08

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Solution

The fourth proportional to 3,686.36, 5,088.30 and 2,940.08 is: 4,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.36 : 5,088.30 = 2,940.08 : x
  2. Step 2: Convert to fraction form
    3,686.36/5,088.30 = 2,940.08/x
  3. Step 3: Cross multiply
    3,686.36x = 5,088.30 × 2,940.08
  4. Step 4: Simplify right side
    3,686.36x = 14,960,009.06
  5. Step 5: Solve for x
    x = 14,960,009.06/3,686.36
  6. Step 6: Final answer
    x = 4,058.21

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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.