Home / 2,852.96-4,280.06-1,210.28

Finding the Fourth Proportional to 2,852.96, 4,280.06 and 1,210.28

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Solution

The fourth proportional to 2,852.96, 4,280.06 and 1,210.28 is: 1,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.96 : 4,280.06 = 1,210.28 : x
  2. Step 2: Convert to fraction form
    2,852.96/4,280.06 = 1,210.28/x
  3. Step 3: Cross multiply
    2,852.96x = 4,280.06 × 1,210.28
  4. Step 4: Simplify right side
    2,852.96x = 5,180,075.67
  5. Step 5: Solve for x
    x = 5,180,075.67/2,852.96
  6. Step 6: Final answer
    x = 1,815.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.