Home / 2,875.84-3,966.96-1,827.04

Finding the Fourth Proportional to 2,875.84, 3,966.96 and 1,827.04

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Solution

The fourth proportional to 2,875.84, 3,966.96 and 1,827.04 is: 2,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.84 : 3,966.96 = 1,827.04 : x
  2. Step 2: Convert to fraction form
    2,875.84/3,966.96 = 1,827.04/x
  3. Step 3: Cross multiply
    2,875.84x = 3,966.96 × 1,827.04
  4. Step 4: Simplify right side
    2,875.84x = 7,247,794.60
  5. Step 5: Solve for x
    x = 7,247,794.60/2,875.84
  6. Step 6: Final answer
    x = 2,520.24

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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.