Home / 1,455.17-2,182.95-1,376.39

Finding the Fourth Proportional to 1,455.17, 2,182.95 and 1,376.39

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Solution

The fourth proportional to 1,455.17, 2,182.95 and 1,376.39 is: 2,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.17 : 2,182.95 = 1,376.39 : x
  2. Step 2: Convert to fraction form
    1,455.17/2,182.95 = 1,376.39/x
  3. Step 3: Cross multiply
    1,455.17x = 2,182.95 × 1,376.39
  4. Step 4: Simplify right side
    1,455.17x = 3,004,596.01
  5. Step 5: Solve for x
    x = 3,004,596.01/1,455.17
  6. Step 6: Final answer
    x = 2,064.78

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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.