Home / 1,573.50-2,369.43-1,165.53

Finding the Fourth Proportional to 1,573.50, 2,369.43 and 1,165.53

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Solution

The fourth proportional to 1,573.50, 2,369.43 and 1,165.53 is: 1,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.50 : 2,369.43 = 1,165.53 : x
  2. Step 2: Convert to fraction form
    1,573.50/2,369.43 = 1,165.53/x
  3. Step 3: Cross multiply
    1,573.50x = 2,369.43 × 1,165.53
  4. Step 4: Simplify right side
    1,573.50x = 2,761,641.75
  5. Step 5: Solve for x
    x = 2,761,641.75/1,573.50
  6. Step 6: Final answer
    x = 1,755.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.