Home / 1,582.23-2,373.75-1,276.86

Finding the Fourth Proportional to 1,582.23, 2,373.75 and 1,276.86

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Solution

The fourth proportional to 1,582.23, 2,373.75 and 1,276.86 is: 1,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.23 : 2,373.75 = 1,276.86 : x
  2. Step 2: Convert to fraction form
    1,582.23/2,373.75 = 1,276.86/x
  3. Step 3: Cross multiply
    1,582.23x = 2,373.75 × 1,276.86
  4. Step 4: Simplify right side
    1,582.23x = 3,030,946.43
  5. Step 5: Solve for x
    x = 3,030,946.43/1,582.23
  6. Step 6: Final answer
    x = 1,915.62

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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.