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Finding the Fourth Proportional to 3,934.79, 5,903.05 and 1,303.10

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Solution

The fourth proportional to 3,934.79, 5,903.05 and 1,303.10 is: 1,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.79 : 5,903.05 = 1,303.10 : x
  2. Step 2: Convert to fraction form
    3,934.79/5,903.05 = 1,303.10/x
  3. Step 3: Cross multiply
    3,934.79x = 5,903.05 × 1,303.10
  4. Step 4: Simplify right side
    3,934.79x = 7,692,264.46
  5. Step 5: Solve for x
    x = 7,692,264.46/3,934.79
  6. Step 6: Final answer
    x = 1,954.94

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1.5x scale

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.