Home / 1,521.88-2,280.93-1,104.76

Finding the Fourth Proportional to 1,521.88, 2,280.93 and 1,104.76

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Solution

The fourth proportional to 1,521.88, 2,280.93 and 1,104.76 is: 1,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.88 : 2,280.93 = 1,104.76 : x
  2. Step 2: Convert to fraction form
    1,521.88/2,280.93 = 1,104.76/x
  3. Step 3: Cross multiply
    1,521.88x = 2,280.93 × 1,104.76
  4. Step 4: Simplify right side
    1,521.88x = 2,519,880.23
  5. Step 5: Solve for x
    x = 2,519,880.23/1,521.88
  6. Step 6: Final answer
    x = 1,655.77

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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.