Home / 3,354.21-4,628.28-1,862.10

Finding the Fourth Proportional to 3,354.21, 4,628.28 and 1,862.10

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Solution

The fourth proportional to 3,354.21, 4,628.28 and 1,862.10 is: 2,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.21 : 4,628.28 = 1,862.10 : x
  2. Step 2: Convert to fraction form
    3,354.21/4,628.28 = 1,862.10/x
  3. Step 3: Cross multiply
    3,354.21x = 4,628.28 × 1,862.10
  4. Step 4: Simplify right side
    3,354.21x = 8,618,320.59
  5. Step 5: Solve for x
    x = 8,618,320.59/3,354.21
  6. Step 6: Final answer
    x = 2,569.40

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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.