Home / 1,526.13-2,105.46-936.45

Finding the Fourth Proportional to 1,526.13, 2,105.46 and 936.45

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Solution

The fourth proportional to 1,526.13, 2,105.46 and 936.45 is: 1,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.13 : 2,105.46 = 936.45 : x
  2. Step 2: Convert to fraction form
    1,526.13/2,105.46 = 936.45/x
  3. Step 3: Cross multiply
    1,526.13x = 2,105.46 × 936.45
  4. Step 4: Simplify right side
    1,526.13x = 1,971,658.02
  5. Step 5: Solve for x
    x = 1,971,658.02/1,526.13
  6. Step 6: Final answer
    x = 1,291.93

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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.