Home / 1,461.24-2,013.12-936.36

Finding the Fourth Proportional to 1,461.24, 2,013.12 and 936.36

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Solution

The fourth proportional to 1,461.24, 2,013.12 and 936.36 is: 1,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.24 : 2,013.12 = 936.36 : x
  2. Step 2: Convert to fraction form
    1,461.24/2,013.12 = 936.36/x
  3. Step 3: Cross multiply
    1,461.24x = 2,013.12 × 936.36
  4. Step 4: Simplify right side
    1,461.24x = 1,885,005.04
  5. Step 5: Solve for x
    x = 1,885,005.04/1,461.24
  6. Step 6: Final answer
    x = 1,290.00

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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.