Home / 1,846.79-2,548.85-1,129.39

Finding the Fourth Proportional to 1,846.79, 2,548.85 and 1,129.39

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Solution

The fourth proportional to 1,846.79, 2,548.85 and 1,129.39 is: 1,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.79 : 2,548.85 = 1,129.39 : x
  2. Step 2: Convert to fraction form
    1,846.79/2,548.85 = 1,129.39/x
  3. Step 3: Cross multiply
    1,846.79x = 2,548.85 × 1,129.39
  4. Step 4: Simplify right side
    1,846.79x = 2,878,642.14
  5. Step 5: Solve for x
    x = 2,878,642.14/1,846.79
  6. Step 6: Final answer
    x = 1,558.73

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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.