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Finding the Fourth Proportional to 1,707.51, 2,561.49 and 597.15

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Solution

The fourth proportional to 1,707.51, 2,561.49 and 597.15 is: 895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.51 : 2,561.49 = 597.15 : x
  2. Step 2: Convert to fraction form
    1,707.51/2,561.49 = 597.15/x
  3. Step 3: Cross multiply
    1,707.51x = 2,561.49 × 597.15
  4. Step 4: Simplify right side
    1,707.51x = 1,529,593.75
  5. Step 5: Solve for x
    x = 1,529,593.75/1,707.51
  6. Step 6: Final answer
    x = 895.80

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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.