Home / 3,356.78-4,632.51-1,864.65

Finding the Fourth Proportional to 3,356.78, 4,632.51 and 1,864.65

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Solution

The fourth proportional to 3,356.78, 4,632.51 and 1,864.65 is: 2,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.78 : 4,632.51 = 1,864.65 : x
  2. Step 2: Convert to fraction form
    3,356.78/4,632.51 = 1,864.65/x
  3. Step 3: Cross multiply
    3,356.78x = 4,632.51 × 1,864.65
  4. Step 4: Simplify right side
    3,356.78x = 8,638,016.76
  5. Step 5: Solve for x
    x = 8,638,016.76/3,356.78
  6. Step 6: Final answer
    x = 2,573.30

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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.