Home / 1,710.21-2,564.25-1,117.65

Finding the Fourth Proportional to 1,710.21, 2,564.25 and 1,117.65

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Solution

The fourth proportional to 1,710.21, 2,564.25 and 1,117.65 is: 1,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.21 : 2,564.25 = 1,117.65 : x
  2. Step 2: Convert to fraction form
    1,710.21/2,564.25 = 1,117.65/x
  3. Step 3: Cross multiply
    1,710.21x = 2,564.25 × 1,117.65
  4. Step 4: Simplify right side
    1,710.21x = 2,865,934.01
  5. Step 5: Solve for x
    x = 2,865,934.01/1,710.21
  6. Step 6: Final answer
    x = 1,675.78

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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.