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Finding the Fourth Proportional to 3,543.65, 4,890.03 and 2,051.63

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Solution

The fourth proportional to 3,543.65, 4,890.03 and 2,051.63 is: 2,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.65 : 4,890.03 = 2,051.63 : x
  2. Step 2: Convert to fraction form
    3,543.65/4,890.03 = 2,051.63/x
  3. Step 3: Cross multiply
    3,543.65x = 4,890.03 × 2,051.63
  4. Step 4: Simplify right side
    3,543.65x = 10,032,532.25
  5. Step 5: Solve for x
    x = 10,032,532.25/3,543.65
  6. Step 6: Final answer
    x = 2,831.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.