Home / 1,581.84-2,188.08-1,337.04

Finding the Fourth Proportional to 1,581.84, 2,188.08 and 1,337.04

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Solution

The fourth proportional to 1,581.84, 2,188.08 and 1,337.04 is: 1,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.84 : 2,188.08 = 1,337.04 : x
  2. Step 2: Convert to fraction form
    1,581.84/2,188.08 = 1,337.04/x
  3. Step 3: Cross multiply
    1,581.84x = 2,188.08 × 1,337.04
  4. Step 4: Simplify right side
    1,581.84x = 2,925,550.48
  5. Step 5: Solve for x
    x = 2,925,550.48/1,581.84
  6. Step 6: Final answer
    x = 1,849.46

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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.