Home / 1,148.01-1,588.41-1,000.95

Finding the Fourth Proportional to 1,148.01, 1,588.41 and 1,000.95

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Solution

The fourth proportional to 1,148.01, 1,588.41 and 1,000.95 is: 1,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.01 : 1,588.41 = 1,000.95 : x
  2. Step 2: Convert to fraction form
    1,148.01/1,588.41 = 1,000.95/x
  3. Step 3: Cross multiply
    1,148.01x = 1,588.41 × 1,000.95
  4. Step 4: Simplify right side
    1,148.01x = 1,589,918.99
  5. Step 5: Solve for x
    x = 1,589,918.99/1,148.01
  6. Step 6: Final answer
    x = 1,384.93

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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.