Home / 3,670.29-5,503.55-1,587.51

Finding the Fourth Proportional to 3,670.29, 5,503.55 and 1,587.51

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Solution

The fourth proportional to 3,670.29, 5,503.55 and 1,587.51 is: 2,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.29 : 5,503.55 = 1,587.51 : x
  2. Step 2: Convert to fraction form
    3,670.29/5,503.55 = 1,587.51/x
  3. Step 3: Cross multiply
    3,670.29x = 5,503.55 × 1,587.51
  4. Step 4: Simplify right side
    3,670.29x = 8,736,932.72
  5. Step 5: Solve for x
    x = 8,736,932.72/3,670.29
  6. Step 6: Final answer
    x = 2,380.45

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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.