Home / 3,140.24-4,703.74-1,495.13

Finding the Fourth Proportional to 3,140.24, 4,703.74 and 1,495.13

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Solution

The fourth proportional to 3,140.24, 4,703.74 and 1,495.13 is: 2,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.24 : 4,703.74 = 1,495.13 : x
  2. Step 2: Convert to fraction form
    3,140.24/4,703.74 = 1,495.13/x
  3. Step 3: Cross multiply
    3,140.24x = 4,703.74 × 1,495.13
  4. Step 4: Simplify right side
    3,140.24x = 7,032,675.53
  5. Step 5: Solve for x
    x = 7,032,675.53/3,140.24
  6. Step 6: Final answer
    x = 2,239.54

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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.