Home / 1,852.40-2,556.81-1,144.87

Finding the Fourth Proportional to 1,852.40, 2,556.81 and 1,144.87

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Solution

The fourth proportional to 1,852.40, 2,556.81 and 1,144.87 is: 1,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.40 : 2,556.81 = 1,144.87 : x
  2. Step 2: Convert to fraction form
    1,852.40/2,556.81 = 1,144.87/x
  3. Step 3: Cross multiply
    1,852.40x = 2,556.81 × 1,144.87
  4. Step 4: Simplify right side
    1,852.40x = 2,927,208.67
  5. Step 5: Solve for x
    x = 2,927,208.67/1,852.40
  6. Step 6: Final answer
    x = 1,580.22

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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.