Home / 1,901.01-2,621.88-1,154.95

Finding the Fourth Proportional to 1,901.01, 2,621.88 and 1,154.95

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Solution

The fourth proportional to 1,901.01, 2,621.88 and 1,154.95 is: 1,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.01 : 2,621.88 = 1,154.95 : x
  2. Step 2: Convert to fraction form
    1,901.01/2,621.88 = 1,154.95/x
  3. Step 3: Cross multiply
    1,901.01x = 2,621.88 × 1,154.95
  4. Step 4: Simplify right side
    1,901.01x = 3,028,140.83
  5. Step 5: Solve for x
    x = 3,028,140.83/1,901.01
  6. Step 6: Final answer
    x = 1,592.91

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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.