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Finding the Fourth Proportional to 2,899, 4,346.20 and 1,437.76

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Solution

The fourth proportional to 2,899, 4,346.20 and 1,437.76 is: 2,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899 : 4,346.20 = 1,437.76 : x
  2. Step 2: Convert to fraction form
    2,899/4,346.20 = 1,437.76/x
  3. Step 3: Cross multiply
    2,899x = 4,346.20 × 1,437.76
  4. Step 4: Simplify right side
    2,899x = 6,248,792.51
  5. Step 5: Solve for x
    x = 6,248,792.51/2,899
  6. Step 6: Final answer
    x = 2,155.50

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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.