Home / 3,655.63-5,483.40-1,315.24

Finding the Fourth Proportional to 3,655.63, 5,483.40 and 1,315.24

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Solution

The fourth proportional to 3,655.63, 5,483.40 and 1,315.24 is: 1,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.63 : 5,483.40 = 1,315.24 : x
  2. Step 2: Convert to fraction form
    3,655.63/5,483.40 = 1,315.24/x
  3. Step 3: Cross multiply
    3,655.63x = 5,483.40 × 1,315.24
  4. Step 4: Simplify right side
    3,655.63x = 7,211,968.38
  5. Step 5: Solve for x
    x = 7,211,968.38/3,655.63
  6. Step 6: Final answer
    x = 1,972.84

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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.