Home / 2,125.28-3,184.82-1,510.18

Finding the Fourth Proportional to 2,125.28, 3,184.82 and 1,510.18

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Solution

The fourth proportional to 2,125.28, 3,184.82 and 1,510.18 is: 2,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.28 : 3,184.82 = 1,510.18 : x
  2. Step 2: Convert to fraction form
    2,125.28/3,184.82 = 1,510.18/x
  3. Step 3: Cross multiply
    2,125.28x = 3,184.82 × 1,510.18
  4. Step 4: Simplify right side
    2,125.28x = 4,809,651.47
  5. Step 5: Solve for x
    x = 4,809,651.47/2,125.28
  6. Step 6: Final answer
    x = 2,263.07

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1.5x scale

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.