Home / 1,755.99-2,423.45-1,118.39

Finding the Fourth Proportional to 1,755.99, 2,423.45 and 1,118.39

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Solution

The fourth proportional to 1,755.99, 2,423.45 and 1,118.39 is: 1,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.99 : 2,423.45 = 1,118.39 : x
  2. Step 2: Convert to fraction form
    1,755.99/2,423.45 = 1,118.39/x
  3. Step 3: Cross multiply
    1,755.99x = 2,423.45 × 1,118.39
  4. Step 4: Simplify right side
    1,755.99x = 2,710,352.92
  5. Step 5: Solve for x
    x = 2,710,352.92/1,755.99
  6. Step 6: Final answer
    x = 1,543.49

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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.