Home / 2,727.84-4,088.10-1,558.20

Finding the Fourth Proportional to 2,727.84, 4,088.10 and 1,558.20

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Solution

The fourth proportional to 2,727.84, 4,088.10 and 1,558.20 is: 2,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.84 : 4,088.10 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    2,727.84/4,088.10 = 1,558.20/x
  3. Step 3: Cross multiply
    2,727.84x = 4,088.10 × 1,558.20
  4. Step 4: Simplify right side
    2,727.84x = 6,370,077.42
  5. Step 5: Solve for x
    x = 6,370,077.42/2,727.84
  6. Step 6: Final answer
    x = 2,335.21

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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.