Home / 2,348.35-3,240.19-1,403.98

Finding the Fourth Proportional to 2,348.35, 3,240.19 and 1,403.98

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Solution

The fourth proportional to 2,348.35, 3,240.19 and 1,403.98 is: 1,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.35 : 3,240.19 = 1,403.98 : x
  2. Step 2: Convert to fraction form
    2,348.35/3,240.19 = 1,403.98/x
  3. Step 3: Cross multiply
    2,348.35x = 3,240.19 × 1,403.98
  4. Step 4: Simplify right side
    2,348.35x = 4,549,161.96
  5. Step 5: Solve for x
    x = 4,549,161.96/2,348.35
  6. Step 6: Final answer
    x = 1,937.17

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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.