Home / 2,400.10-3,312.30-1,809.70

Finding the Fourth Proportional to 2,400.10, 3,312.30 and 1,809.70

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Solution

The fourth proportional to 2,400.10, 3,312.30 and 1,809.70 is: 2,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.10 : 3,312.30 = 1,809.70 : x
  2. Step 2: Convert to fraction form
    2,400.10/3,312.30 = 1,809.70/x
  3. Step 3: Cross multiply
    2,400.10x = 3,312.30 × 1,809.70
  4. Step 4: Simplify right side
    2,400.10x = 5,994,269.31
  5. Step 5: Solve for x
    x = 5,994,269.31/2,400.10
  6. Step 6: Final answer
    x = 2,497.51

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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.