Home / 3,434.78-4,740.01-1,862.90

Finding the Fourth Proportional to 3,434.78, 4,740.01 and 1,862.90

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Solution

The fourth proportional to 3,434.78, 4,740.01 and 1,862.90 is: 2,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.78 : 4,740.01 = 1,862.90 : x
  2. Step 2: Convert to fraction form
    3,434.78/4,740.01 = 1,862.90/x
  3. Step 3: Cross multiply
    3,434.78x = 4,740.01 × 1,862.90
  4. Step 4: Simplify right side
    3,434.78x = 8,830,164.63
  5. Step 5: Solve for x
    x = 8,830,164.63/3,434.78
  6. Step 6: Final answer
    x = 2,570.81

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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.