Home / 2,428.95-3,350.81-1,433.57

Finding the Fourth Proportional to 2,428.95, 3,350.81 and 1,433.57

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Solution

The fourth proportional to 2,428.95, 3,350.81 and 1,433.57 is: 1,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.95 : 3,350.81 = 1,433.57 : x
  2. Step 2: Convert to fraction form
    2,428.95/3,350.81 = 1,433.57/x
  3. Step 3: Cross multiply
    2,428.95x = 3,350.81 × 1,433.57
  4. Step 4: Simplify right side
    2,428.95x = 4,803,596.77
  5. Step 5: Solve for x
    x = 4,803,596.77/2,428.95
  6. Step 6: Final answer
    x = 1,977.64

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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.