Home / 2,641.80-3,646.40-1,523.10

Finding the Fourth Proportional to 2,641.80, 3,646.40 and 1,523.10

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Solution

The fourth proportional to 2,641.80, 3,646.40 and 1,523.10 is: 2,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.80 : 3,646.40 = 1,523.10 : x
  2. Step 2: Convert to fraction form
    2,641.80/3,646.40 = 1,523.10/x
  3. Step 3: Cross multiply
    2,641.80x = 3,646.40 × 1,523.10
  4. Step 4: Simplify right side
    2,641.80x = 5,553,831.84
  5. Step 5: Solve for x
    x = 5,553,831.84/2,641.80
  6. Step 6: Final answer
    x = 2,102.29

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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.