Home / 1,436.58-2,155.95-1,151.46

Finding the Fourth Proportional to 1,436.58, 2,155.95 and 1,151.46

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Solution

The fourth proportional to 1,436.58, 2,155.95 and 1,151.46 is: 1,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.58 : 2,155.95 = 1,151.46 : x
  2. Step 2: Convert to fraction form
    1,436.58/2,155.95 = 1,151.46/x
  3. Step 3: Cross multiply
    1,436.58x = 2,155.95 × 1,151.46
  4. Step 4: Simplify right side
    1,436.58x = 2,482,490.19
  5. Step 5: Solve for x
    x = 2,482,490.19/1,436.58
  6. Step 6: Final answer
    x = 1,728.06

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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.