Home / 2,307.05-3,457.83-1,331.13

Finding the Fourth Proportional to 2,307.05, 3,457.83 and 1,331.13

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Solution

The fourth proportional to 2,307.05, 3,457.83 and 1,331.13 is: 1,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.05 : 3,457.83 = 1,331.13 : x
  2. Step 2: Convert to fraction form
    2,307.05/3,457.83 = 1,331.13/x
  3. Step 3: Cross multiply
    2,307.05x = 3,457.83 × 1,331.13
  4. Step 4: Simplify right side
    2,307.05x = 4,602,821.25
  5. Step 5: Solve for x
    x = 4,602,821.25/2,307.05
  6. Step 6: Final answer
    x = 1,995.12

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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.