Home / 2,346.74-3,239.08-1,685.58

Finding the Fourth Proportional to 2,346.74, 3,239.08 and 1,685.58

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Solution

The fourth proportional to 2,346.74, 3,239.08 and 1,685.58 is: 2,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.74 : 3,239.08 = 1,685.58 : x
  2. Step 2: Convert to fraction form
    2,346.74/3,239.08 = 1,685.58/x
  3. Step 3: Cross multiply
    2,346.74x = 3,239.08 × 1,685.58
  4. Step 4: Simplify right side
    2,346.74x = 5,459,728.47
  5. Step 5: Solve for x
    x = 5,459,728.47/2,346.74
  6. Step 6: Final answer
    x = 2,326.52

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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.