Home / 3,436.77-5,151.63-1,355.93

Finding the Fourth Proportional to 3,436.77, 5,151.63 and 1,355.93

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Solution

The fourth proportional to 3,436.77, 5,151.63 and 1,355.93 is: 2,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.77 : 5,151.63 = 1,355.93 : x
  2. Step 2: Convert to fraction form
    3,436.77/5,151.63 = 1,355.93/x
  3. Step 3: Cross multiply
    3,436.77x = 5,151.63 × 1,355.93
  4. Step 4: Simplify right side
    3,436.77x = 6,985,267.63
  5. Step 5: Solve for x
    x = 6,985,267.63/3,436.77
  6. Step 6: Final answer
    x = 2,032.51

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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.