Home / 3,595.29-5,392.91-1,405.55

Finding the Fourth Proportional to 3,595.29, 5,392.91 and 1,405.55

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Solution

The fourth proportional to 3,595.29, 5,392.91 and 1,405.55 is: 2,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.29 : 5,392.91 = 1,405.55 : x
  2. Step 2: Convert to fraction form
    3,595.29/5,392.91 = 1,405.55/x
  3. Step 3: Cross multiply
    3,595.29x = 5,392.91 × 1,405.55
  4. Step 4: Simplify right side
    3,595.29x = 7,579,970.66
  5. Step 5: Solve for x
    x = 7,579,970.66/3,595.29
  6. Step 6: Final answer
    x = 2,108.31

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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.