Home / 3,335.78-4,998.80-1,875.35

Finding the Fourth Proportional to 3,335.78, 4,998.80 and 1,875.35

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Solution

The fourth proportional to 3,335.78, 4,998.80 and 1,875.35 is: 2,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.78 : 4,998.80 = 1,875.35 : x
  2. Step 2: Convert to fraction form
    3,335.78/4,998.80 = 1,875.35/x
  3. Step 3: Cross multiply
    3,335.78x = 4,998.80 × 1,875.35
  4. Step 4: Simplify right side
    3,335.78x = 9,374,479.27
  5. Step 5: Solve for x
    x = 9,374,479.27/3,335.78
  6. Step 6: Final answer
    x = 2,810.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.