Home / 3,153.81-4,352.40-1,756.56

Finding the Fourth Proportional to 3,153.81, 4,352.40 and 1,756.56

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Solution

The fourth proportional to 3,153.81, 4,352.40 and 1,756.56 is: 2,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.81 : 4,352.40 = 1,756.56 : x
  2. Step 2: Convert to fraction form
    3,153.81/4,352.40 = 1,756.56/x
  3. Step 3: Cross multiply
    3,153.81x = 4,352.40 × 1,756.56
  4. Step 4: Simplify right side
    3,153.81x = 7,645,251.74
  5. Step 5: Solve for x
    x = 7,645,251.74/3,153.81
  6. Step 6: Final answer
    x = 2,424.13

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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.