Home / 3,045.91-4,203.37-1,648.66

Finding the Fourth Proportional to 3,045.91, 4,203.37 and 1,648.66

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Solution

The fourth proportional to 3,045.91, 4,203.37 and 1,648.66 is: 2,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.91 : 4,203.37 = 1,648.66 : x
  2. Step 2: Convert to fraction form
    3,045.91/4,203.37 = 1,648.66/x
  3. Step 3: Cross multiply
    3,045.91x = 4,203.37 × 1,648.66
  4. Step 4: Simplify right side
    3,045.91x = 6,929,927.98
  5. Step 5: Solve for x
    x = 6,929,927.98/3,045.91
  6. Step 6: Final answer
    x = 2,275.16

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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.