Home / 3,605.04-5,409.12-1,757.76

Finding the Fourth Proportional to 3,605.04, 5,409.12 and 1,757.76

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Solution

The fourth proportional to 3,605.04, 5,409.12 and 1,757.76 is: 2,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.04 : 5,409.12 = 1,757.76 : x
  2. Step 2: Convert to fraction form
    3,605.04/5,409.12 = 1,757.76/x
  3. Step 3: Cross multiply
    3,605.04x = 5,409.12 × 1,757.76
  4. Step 4: Simplify right side
    3,605.04x = 9,507,934.77
  5. Step 5: Solve for x
    x = 9,507,934.77/3,605.04
  6. Step 6: Final answer
    x = 2,637.40

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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.