Home / 3,210.10-4,429.75-1,883.70

Finding the Fourth Proportional to 3,210.10, 4,429.75 and 1,883.70

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Solution

The fourth proportional to 3,210.10, 4,429.75 and 1,883.70 is: 2,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.10 : 4,429.75 = 1,883.70 : x
  2. Step 2: Convert to fraction form
    3,210.10/4,429.75 = 1,883.70/x
  3. Step 3: Cross multiply
    3,210.10x = 4,429.75 × 1,883.70
  4. Step 4: Simplify right side
    3,210.10x = 8,344,320.08
  5. Step 5: Solve for x
    x = 8,344,320.08/3,210.10
  6. Step 6: Final answer
    x = 2,599.40

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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.