Home / 3,054.54-4,215.28-1,657.30

Finding the Fourth Proportional to 3,054.54, 4,215.28 and 1,657.30

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Solution

The fourth proportional to 3,054.54, 4,215.28 and 1,657.30 is: 2,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.54 : 4,215.28 = 1,657.30 : x
  2. Step 2: Convert to fraction form
    3,054.54/4,215.28 = 1,657.30/x
  3. Step 3: Cross multiply
    3,054.54x = 4,215.28 × 1,657.30
  4. Step 4: Simplify right side
    3,054.54x = 6,985,983.54
  5. Step 5: Solve for x
    x = 6,985,983.54/3,054.54
  6. Step 6: Final answer
    x = 2,287.08

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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.