Home / 3,434.81-4,737.29-2,385.05

Finding the Fourth Proportional to 3,434.81, 4,737.29 and 2,385.05

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Solution

The fourth proportional to 3,434.81, 4,737.29 and 2,385.05 is: 3,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.81 : 4,737.29 = 2,385.05 : x
  2. Step 2: Convert to fraction form
    3,434.81/4,737.29 = 2,385.05/x
  3. Step 3: Cross multiply
    3,434.81x = 4,737.29 × 2,385.05
  4. Step 4: Simplify right side
    3,434.81x = 11,298,637.90
  5. Step 5: Solve for x
    x = 11,298,637.90/3,434.81
  6. Step 6: Final answer
    x = 3,289.46

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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.