Home / 2,345.81-3,237.09-1,401.62

Finding the Fourth Proportional to 2,345.81, 3,237.09 and 1,401.62

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Solution

The fourth proportional to 2,345.81, 3,237.09 and 1,401.62 is: 1,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.81 : 3,237.09 = 1,401.62 : x
  2. Step 2: Convert to fraction form
    2,345.81/3,237.09 = 1,401.62/x
  3. Step 3: Cross multiply
    2,345.81x = 3,237.09 × 1,401.62
  4. Step 4: Simplify right side
    2,345.81x = 4,537,170.09
  5. Step 5: Solve for x
    x = 4,537,170.09/2,345.81
  6. Step 6: Final answer
    x = 1,934.16

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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.