Home / 1,641.08-2,264.91-1,051.76

Finding the Fourth Proportional to 1,641.08, 2,264.91 and 1,051.76

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Solution

The fourth proportional to 1,641.08, 2,264.91 and 1,051.76 is: 1,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.08 : 2,264.91 = 1,051.76 : x
  2. Step 2: Convert to fraction form
    1,641.08/2,264.91 = 1,051.76/x
  3. Step 3: Cross multiply
    1,641.08x = 2,264.91 × 1,051.76
  4. Step 4: Simplify right side
    1,641.08x = 2,382,141.74
  5. Step 5: Solve for x
    x = 2,382,141.74/1,641.08
  6. Step 6: Final answer
    x = 1,451.57

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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.