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Finding the Fourth Proportional to 1,875.09, 2,809.02 and 1,050.86

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Solution

The fourth proportional to 1,875.09, 2,809.02 and 1,050.86 is: 1,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.09 : 2,809.02 = 1,050.86 : x
  2. Step 2: Convert to fraction form
    1,875.09/2,809.02 = 1,050.86/x
  3. Step 3: Cross multiply
    1,875.09x = 2,809.02 × 1,050.86
  4. Step 4: Simplify right side
    1,875.09x = 2,951,886.76
  5. Step 5: Solve for x
    x = 2,951,886.76/1,875.09
  6. Step 6: Final answer
    x = 1,574.26

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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.