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Finding the Fourth Proportional to 1,875.00, 2,809.77 and 1,054.88

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Solution

The fourth proportional to 1,875.00, 2,809.77 and 1,054.88 is: 1,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.00 : 2,809.77 = 1,054.88 : x
  2. Step 2: Convert to fraction form
    1,875.00/2,809.77 = 1,054.88/x
  3. Step 3: Cross multiply
    1,875.00x = 2,809.77 × 1,054.88
  4. Step 4: Simplify right side
    1,875.00x = 2,963,957.88
  5. Step 5: Solve for x
    x = 2,963,957.88/1,875.00
  6. Step 6: Final answer
    x = 1,580.78

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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.