Home / 2,994.86-4,131.28-1,875.56

Finding the Fourth Proportional to 2,994.86, 4,131.28 and 1,875.56

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Solution

The fourth proportional to 2,994.86, 4,131.28 and 1,875.56 is: 2,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.86 : 4,131.28 = 1,875.56 : x
  2. Step 2: Convert to fraction form
    2,994.86/4,131.28 = 1,875.56/x
  3. Step 3: Cross multiply
    2,994.86x = 4,131.28 × 1,875.56
  4. Step 4: Simplify right side
    2,994.86x = 7,748,438.17
  5. Step 5: Solve for x
    x = 7,748,438.17/2,994.86
  6. Step 6: Final answer
    x = 2,587.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.