Home / 1,586.13-2,378.52-1,571.01

Finding the Fourth Proportional to 1,586.13, 2,378.52 and 1,571.01

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Solution

The fourth proportional to 1,586.13, 2,378.52 and 1,571.01 is: 2,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.13 : 2,378.52 = 1,571.01 : x
  2. Step 2: Convert to fraction form
    1,586.13/2,378.52 = 1,571.01/x
  3. Step 3: Cross multiply
    1,586.13x = 2,378.52 × 1,571.01
  4. Step 4: Simplify right side
    1,586.13x = 3,736,678.71
  5. Step 5: Solve for x
    x = 3,736,678.71/1,586.13
  6. Step 6: Final answer
    x = 2,355.85

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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.