Home / 2,307.30-3,457.15-1,331.70

Finding the Fourth Proportional to 2,307.30, 3,457.15 and 1,331.70

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Solution

The fourth proportional to 2,307.30, 3,457.15 and 1,331.70 is: 1,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.30 : 3,457.15 = 1,331.70 : x
  2. Step 2: Convert to fraction form
    2,307.30/3,457.15 = 1,331.70/x
  3. Step 3: Cross multiply
    2,307.30x = 3,457.15 × 1,331.70
  4. Step 4: Simplify right side
    2,307.30x = 4,603,886.66
  5. Step 5: Solve for x
    x = 4,603,886.66/2,307.30
  6. Step 6: Final answer
    x = 1,995.36

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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.