Home / 2,135.52-2,950.80-1,715.36

Finding the Fourth Proportional to 2,135.52, 2,950.80 and 1,715.36

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Solution

The fourth proportional to 2,135.52, 2,950.80 and 1,715.36 is: 2,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.52 : 2,950.80 = 1,715.36 : x
  2. Step 2: Convert to fraction form
    2,135.52/2,950.80 = 1,715.36/x
  3. Step 3: Cross multiply
    2,135.52x = 2,950.80 × 1,715.36
  4. Step 4: Simplify right side
    2,135.52x = 5,061,684.29
  5. Step 5: Solve for x
    x = 5,061,684.29/2,135.52
  6. Step 6: Final answer
    x = 2,370.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.