Home / 1,850.49-2,552.50-1,407.42

Finding the Fourth Proportional to 1,850.49, 2,552.50 and 1,407.42

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Solution

The fourth proportional to 1,850.49, 2,552.50 and 1,407.42 is: 1,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.49 : 2,552.50 = 1,407.42 : x
  2. Step 2: Convert to fraction form
    1,850.49/2,552.50 = 1,407.42/x
  3. Step 3: Cross multiply
    1,850.49x = 2,552.50 × 1,407.42
  4. Step 4: Simplify right side
    1,850.49x = 3,592,419.75
  5. Step 5: Solve for x
    x = 3,592,419.75/1,850.49
  6. Step 6: Final answer
    x = 1,941.34

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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.