Home / 2,827.58-3,902.07-1,585.50

Finding the Fourth Proportional to 2,827.58, 3,902.07 and 1,585.50

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Solution

The fourth proportional to 2,827.58, 3,902.07 and 1,585.50 is: 2,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.58 : 3,902.07 = 1,585.50 : x
  2. Step 2: Convert to fraction form
    2,827.58/3,902.07 = 1,585.50/x
  3. Step 3: Cross multiply
    2,827.58x = 3,902.07 × 1,585.50
  4. Step 4: Simplify right side
    2,827.58x = 6,186,731.99
  5. Step 5: Solve for x
    x = 6,186,731.99/2,827.58
  6. Step 6: Final answer
    x = 2,188.00

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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.