Home / 1,852.85-2,556.90-1,066.89

Finding the Fourth Proportional to 1,852.85, 2,556.90 and 1,066.89

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Solution

The fourth proportional to 1,852.85, 2,556.90 and 1,066.89 is: 1,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.85 : 2,556.90 = 1,066.89 : x
  2. Step 2: Convert to fraction form
    1,852.85/2,556.90 = 1,066.89/x
  3. Step 3: Cross multiply
    1,852.85x = 2,556.90 × 1,066.89
  4. Step 4: Simplify right side
    1,852.85x = 2,727,931.04
  5. Step 5: Solve for x
    x = 2,727,931.04/1,852.85
  6. Step 6: Final answer
    x = 1,472.29

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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.