Home / 1,263.30-1,894.95-1,049.46

Finding the Fourth Proportional to 1,263.30, 1,894.95 and 1,049.46

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Solution

The fourth proportional to 1,263.30, 1,894.95 and 1,049.46 is: 1,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.30 : 1,894.95 = 1,049.46 : x
  2. Step 2: Convert to fraction form
    1,263.30/1,894.95 = 1,049.46/x
  3. Step 3: Cross multiply
    1,263.30x = 1,894.95 × 1,049.46
  4. Step 4: Simplify right side
    1,263.30x = 1,988,674.23
  5. Step 5: Solve for x
    x = 1,988,674.23/1,263.30
  6. Step 6: Final answer
    x = 1,574.19

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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.