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Finding the Fourth Proportional to 1,713.45, 2,570.36 and 558.93

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Solution

The fourth proportional to 1,713.45, 2,570.36 and 558.93 is: 838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.45 : 2,570.36 = 558.93 : x
  2. Step 2: Convert to fraction form
    1,713.45/2,570.36 = 558.93/x
  3. Step 3: Cross multiply
    1,713.45x = 2,570.36 × 558.93
  4. Step 4: Simplify right side
    1,713.45x = 1,436,651.31
  5. Step 5: Solve for x
    x = 1,436,651.31/1,713.45
  6. Step 6: Final answer
    x = 838.46

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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.