Home / 2,343.43-3,235.21-1,587.74

Finding the Fourth Proportional to 2,343.43, 3,235.21 and 1,587.74

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Solution

The fourth proportional to 2,343.43, 3,235.21 and 1,587.74 is: 2,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.43 : 3,235.21 = 1,587.74 : x
  2. Step 2: Convert to fraction form
    2,343.43/3,235.21 = 1,587.74/x
  3. Step 3: Cross multiply
    2,343.43x = 3,235.21 × 1,587.74
  4. Step 4: Simplify right side
    2,343.43x = 5,136,652.18
  5. Step 5: Solve for x
    x = 5,136,652.18/2,343.43
  6. Step 6: Final answer
    x = 2,191.94

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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.