Home / 1,436.84-2,157.08-975.76

Finding the Fourth Proportional to 1,436.84, 2,157.08 and 975.76

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Solution

The fourth proportional to 1,436.84, 2,157.08 and 975.76 is: 1,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.84 : 2,157.08 = 975.76 : x
  2. Step 2: Convert to fraction form
    1,436.84/2,157.08 = 975.76/x
  3. Step 3: Cross multiply
    1,436.84x = 2,157.08 × 975.76
  4. Step 4: Simplify right side
    1,436.84x = 2,104,792.38
  5. Step 5: Solve for x
    x = 2,104,792.38/1,436.84
  6. Step 6: Final answer
    x = 1,464.88

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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.