Home / 2,403.88-3,316.98-1,355.92

Finding the Fourth Proportional to 2,403.88, 3,316.98 and 1,355.92

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Solution

The fourth proportional to 2,403.88, 3,316.98 and 1,355.92 is: 1,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.88 : 3,316.98 = 1,355.92 : x
  2. Step 2: Convert to fraction form
    2,403.88/3,316.98 = 1,355.92/x
  3. Step 3: Cross multiply
    2,403.88x = 3,316.98 × 1,355.92
  4. Step 4: Simplify right side
    2,403.88x = 4,497,559.52
  5. Step 5: Solve for x
    x = 4,497,559.52/2,403.88
  6. Step 6: Final answer
    x = 1,870.96

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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.