Home / 1,585.04-2,377.44-489.68

Finding the Fourth Proportional to 1,585.04, 2,377.44 and 489.68

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Solution

The fourth proportional to 1,585.04, 2,377.44 and 489.68 is: 734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.04 : 2,377.44 = 489.68 : x
  2. Step 2: Convert to fraction form
    1,585.04/2,377.44 = 489.68/x
  3. Step 3: Cross multiply
    1,585.04x = 2,377.44 × 489.68
  4. Step 4: Simplify right side
    1,585.04x = 1,164,184.82
  5. Step 5: Solve for x
    x = 1,164,184.82/1,585.04
  6. Step 6: Final answer
    x = 734.48

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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.