Home / 3,590.18-5,386.29-1,509.11

Finding the Fourth Proportional to 3,590.18, 5,386.29 and 1,509.11

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Solution

The fourth proportional to 3,590.18, 5,386.29 and 1,509.11 is: 2,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.18 : 5,386.29 = 1,509.11 : x
  2. Step 2: Convert to fraction form
    3,590.18/5,386.29 = 1,509.11/x
  3. Step 3: Cross multiply
    3,590.18x = 5,386.29 × 1,509.11
  4. Step 4: Simplify right side
    3,590.18x = 8,128,469.62
  5. Step 5: Solve for x
    x = 8,128,469.62/3,590.18
  6. Step 6: Final answer
    x = 2,264.09

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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.