Home / 2,656.32-3,666.16-2,213.52

Finding the Fourth Proportional to 2,656.32, 3,666.16 and 2,213.52

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Solution

The fourth proportional to 2,656.32, 3,666.16 and 2,213.52 is: 3,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.32 : 3,666.16 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    2,656.32/3,666.16 = 2,213.52/x
  3. Step 3: Cross multiply
    2,656.32x = 3,666.16 × 2,213.52
  4. Step 4: Simplify right side
    2,656.32x = 8,115,118.48
  5. Step 5: Solve for x
    x = 8,115,118.48/2,656.32
  6. Step 6: Final answer
    x = 3,055.02

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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.