Home / 2,346.86-3,238.16-1,402.40

Finding the Fourth Proportional to 2,346.86, 3,238.16 and 1,402.40

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Solution

The fourth proportional to 2,346.86, 3,238.16 and 1,402.40 is: 1,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.86 : 3,238.16 = 1,402.40 : x
  2. Step 2: Convert to fraction form
    2,346.86/3,238.16 = 1,402.40/x
  3. Step 3: Cross multiply
    2,346.86x = 3,238.16 × 1,402.40
  4. Step 4: Simplify right side
    2,346.86x = 4,541,195.58
  5. Step 5: Solve for x
    x = 4,541,195.58/2,346.86
  6. Step 6: Final answer
    x = 1,935.01

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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.