Home / 2,345.55-3,236.63-1,297.55

Finding the Fourth Proportional to 2,345.55, 3,236.63 and 1,297.55

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Solution

The fourth proportional to 2,345.55, 3,236.63 and 1,297.55 is: 1,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.55 : 3,236.63 = 1,297.55 : x
  2. Step 2: Convert to fraction form
    2,345.55/3,236.63 = 1,297.55/x
  3. Step 3: Cross multiply
    2,345.55x = 3,236.63 × 1,297.55
  4. Step 4: Simplify right side
    2,345.55x = 4,199,666.59
  5. Step 5: Solve for x
    x = 4,199,666.59/2,345.55
  6. Step 6: Final answer
    x = 1,790.48

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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.