Home / 3,134.66-4,322.83-1,875.51

Finding the Fourth Proportional to 3,134.66, 4,322.83 and 1,875.51

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Solution

The fourth proportional to 3,134.66, 4,322.83 and 1,875.51 is: 2,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.66 : 4,322.83 = 1,875.51 : x
  2. Step 2: Convert to fraction form
    3,134.66/4,322.83 = 1,875.51/x
  3. Step 3: Cross multiply
    3,134.66x = 4,322.83 × 1,875.51
  4. Step 4: Simplify right side
    3,134.66x = 8,107,510.89
  5. Step 5: Solve for x
    x = 8,107,510.89/3,134.66
  6. Step 6: Final answer
    x = 2,586.41

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1.5x scale

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.