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Finding the Fourth Proportional to 3,875.55, 5,349.63 and 2,303.63

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Solution

The fourth proportional to 3,875.55, 5,349.63 and 2,303.63 is: 3,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.55 : 5,349.63 = 2,303.63 : x
  2. Step 2: Convert to fraction form
    3,875.55/5,349.63 = 2,303.63/x
  3. Step 3: Cross multiply
    3,875.55x = 5,349.63 × 2,303.63
  4. Step 4: Simplify right side
    3,875.55x = 12,323,541.41
  5. Step 5: Solve for x
    x = 12,323,541.41/3,875.55
  6. Step 6: Final answer
    x = 3,179.82

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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.