Home / 3,699.60-5,547.30-1,505.76

Finding the Fourth Proportional to 3,699.60, 5,547.30 and 1,505.76

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Solution

The fourth proportional to 3,699.60, 5,547.30 and 1,505.76 is: 2,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.60 : 5,547.30 = 1,505.76 : x
  2. Step 2: Convert to fraction form
    3,699.60/5,547.30 = 1,505.76/x
  3. Step 3: Cross multiply
    3,699.60x = 5,547.30 × 1,505.76
  4. Step 4: Simplify right side
    3,699.60x = 8,352,902.45
  5. Step 5: Solve for x
    x = 8,352,902.45/3,699.60
  6. Step 6: Final answer
    x = 2,257.79

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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.