Home / 3,569.40-5,354.37-1,377.72

Finding the Fourth Proportional to 3,569.40, 5,354.37 and 1,377.72

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Solution

The fourth proportional to 3,569.40, 5,354.37 and 1,377.72 is: 2,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.40 : 5,354.37 = 1,377.72 : x
  2. Step 2: Convert to fraction form
    3,569.40/5,354.37 = 1,377.72/x
  3. Step 3: Cross multiply
    3,569.40x = 5,354.37 × 1,377.72
  4. Step 4: Simplify right side
    3,569.40x = 7,376,822.64
  5. Step 5: Solve for x
    x = 7,376,822.64/3,569.40
  6. Step 6: Final answer
    x = 2,066.68

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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.