Home / 1,582.35-2,374.04-486.93

Finding the Fourth Proportional to 1,582.35, 2,374.04 and 486.93

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Solution

The fourth proportional to 1,582.35, 2,374.04 and 486.93 is: 730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.35 : 2,374.04 = 486.93 : x
  2. Step 2: Convert to fraction form
    1,582.35/2,374.04 = 486.93/x
  3. Step 3: Cross multiply
    1,582.35x = 2,374.04 × 486.93
  4. Step 4: Simplify right side
    1,582.35x = 1,155,988.86
  5. Step 5: Solve for x
    x = 1,155,988.86/1,582.35
  6. Step 6: Final answer
    x = 730.55

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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.