Home / 3,070.23-4,605.13-1,315.23

Finding the Fourth Proportional to 3,070.23, 4,605.13 and 1,315.23

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Solution

The fourth proportional to 3,070.23, 4,605.13 and 1,315.23 is: 1,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.23 : 4,605.13 = 1,315.23 : x
  2. Step 2: Convert to fraction form
    3,070.23/4,605.13 = 1,315.23/x
  3. Step 3: Cross multiply
    3,070.23x = 4,605.13 × 1,315.23
  4. Step 4: Simplify right side
    3,070.23x = 6,056,805.13
  5. Step 5: Solve for x
    x = 6,056,805.13/3,070.23
  6. Step 6: Final answer
    x = 1,972.75

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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.