Home / 1,455.16-2,182.58-1,369.50

Finding the Fourth Proportional to 1,455.16, 2,182.58 and 1,369.50

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Solution

The fourth proportional to 1,455.16, 2,182.58 and 1,369.50 is: 2,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.16 : 2,182.58 = 1,369.50 : x
  2. Step 2: Convert to fraction form
    1,455.16/2,182.58 = 1,369.50/x
  3. Step 3: Cross multiply
    1,455.16x = 2,182.58 × 1,369.50
  4. Step 4: Simplify right side
    1,455.16x = 2,989,036.46
  5. Step 5: Solve for x
    x = 2,989,036.46/1,455.16
  6. Step 6: Final answer
    x = 2,054.09

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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.