Home / 1,317.23-1,975.91-586.81

Finding the Fourth Proportional to 1,317.23, 1,975.91 and 586.81

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Solution

The fourth proportional to 1,317.23, 1,975.91 and 586.81 is: 880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.23 : 1,975.91 = 586.81 : x
  2. Step 2: Convert to fraction form
    1,317.23/1,975.91 = 586.81/x
  3. Step 3: Cross multiply
    1,317.23x = 1,975.91 × 586.81
  4. Step 4: Simplify right side
    1,317.23x = 1,159,483.75
  5. Step 5: Solve for x
    x = 1,159,483.75/1,317.23
  6. Step 6: Final answer
    x = 880.24

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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.