Home / 2,403.56-3,317.02-1,355.63

Finding the Fourth Proportional to 2,403.56, 3,317.02 and 1,355.63

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Solution

The fourth proportional to 2,403.56, 3,317.02 and 1,355.63 is: 1,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.56 : 3,317.02 = 1,355.63 : x
  2. Step 2: Convert to fraction form
    2,403.56/3,317.02 = 1,355.63/x
  3. Step 3: Cross multiply
    2,403.56x = 3,317.02 × 1,355.63
  4. Step 4: Simplify right side
    2,403.56x = 4,496,631.85
  5. Step 5: Solve for x
    x = 4,496,631.85/2,403.56
  6. Step 6: Final answer
    x = 1,870.82

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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.