Home / 2,052.49-2,831.52-1,345.09

Finding the Fourth Proportional to 2,052.49, 2,831.52 and 1,345.09

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Solution

The fourth proportional to 2,052.49, 2,831.52 and 1,345.09 is: 1,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.49 : 2,831.52 = 1,345.09 : x
  2. Step 2: Convert to fraction form
    2,052.49/2,831.52 = 1,345.09/x
  3. Step 3: Cross multiply
    2,052.49x = 2,831.52 × 1,345.09
  4. Step 4: Simplify right side
    2,052.49x = 3,808,649.24
  5. Step 5: Solve for x
    x = 3,808,649.24/2,052.49
  6. Step 6: Final answer
    x = 1,855.62

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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.