Home / 1,261.24-1,737.69-946.01

Finding the Fourth Proportional to 1,261.24, 1,737.69 and 946.01

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Solution

The fourth proportional to 1,261.24, 1,737.69 and 946.01 is: 1,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261.24 : 1,737.69 = 946.01 : x
  2. Step 2: Convert to fraction form
    1,261.24/1,737.69 = 946.01/x
  3. Step 3: Cross multiply
    1,261.24x = 1,737.69 × 946.01
  4. Step 4: Simplify right side
    1,261.24x = 1,643,872.91
  5. Step 5: Solve for x
    x = 1,643,872.91/1,261.24
  6. Step 6: Final answer
    x = 1,303.38

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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.