Home / 3,727.32-5,590.99-1,130.28

Finding the Fourth Proportional to 3,727.32, 5,590.99 and 1,130.28

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Solution

The fourth proportional to 3,727.32, 5,590.99 and 1,130.28 is: 1,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.32 : 5,590.99 = 1,130.28 : x
  2. Step 2: Convert to fraction form
    3,727.32/5,590.99 = 1,130.28/x
  3. Step 3: Cross multiply
    3,727.32x = 5,590.99 × 1,130.28
  4. Step 4: Simplify right side
    3,727.32x = 6,319,384.18
  5. Step 5: Solve for x
    x = 6,319,384.18/3,727.32
  6. Step 6: Final answer
    x = 1,695.42

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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.