Home / 1,925.08-2,657.82-1,335.40

Finding the Fourth Proportional to 1,925.08, 2,657.82 and 1,335.40

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Solution

The fourth proportional to 1,925.08, 2,657.82 and 1,335.40 is: 1,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.08 : 2,657.82 = 1,335.40 : x
  2. Step 2: Convert to fraction form
    1,925.08/2,657.82 = 1,335.40/x
  3. Step 3: Cross multiply
    1,925.08x = 2,657.82 × 1,335.40
  4. Step 4: Simplify right side
    1,925.08x = 3,549,252.83
  5. Step 5: Solve for x
    x = 3,549,252.83/1,925.08
  6. Step 6: Final answer
    x = 1,843.69

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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.