Home / 3,434.40-4,739.46-1,862.49

Finding the Fourth Proportional to 3,434.40, 4,739.46 and 1,862.49

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Solution

The fourth proportional to 3,434.40, 4,739.46 and 1,862.49 is: 2,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.40 : 4,739.46 = 1,862.49 : x
  2. Step 2: Convert to fraction form
    3,434.40/4,739.46 = 1,862.49/x
  3. Step 3: Cross multiply
    3,434.40x = 4,739.46 × 1,862.49
  4. Step 4: Simplify right side
    3,434.40x = 8,827,196.86
  5. Step 5: Solve for x
    x = 8,827,196.86/3,434.40
  6. Step 6: Final answer
    x = 2,570.23

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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.