Home / 3,091.39-4,637.18-899.93

Finding the Fourth Proportional to 3,091.39, 4,637.18 and 899.93

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Solution

The fourth proportional to 3,091.39, 4,637.18 and 899.93 is: 1,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.39 : 4,637.18 = 899.93 : x
  2. Step 2: Convert to fraction form
    3,091.39/4,637.18 = 899.93/x
  3. Step 3: Cross multiply
    3,091.39x = 4,637.18 × 899.93
  4. Step 4: Simplify right side
    3,091.39x = 4,173,151.24
  5. Step 5: Solve for x
    x = 4,173,151.24/3,091.39
  6. Step 6: Final answer
    x = 1,349.93

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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.