Home / 1,835.43-2,532.49-1,089.63

Finding the Fourth Proportional to 1,835.43, 2,532.49 and 1,089.63

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Solution

The fourth proportional to 1,835.43, 2,532.49 and 1,089.63 is: 1,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.43 : 2,532.49 = 1,089.63 : x
  2. Step 2: Convert to fraction form
    1,835.43/2,532.49 = 1,089.63/x
  3. Step 3: Cross multiply
    1,835.43x = 2,532.49 × 1,089.63
  4. Step 4: Simplify right side
    1,835.43x = 2,759,477.08
  5. Step 5: Solve for x
    x = 2,759,477.08/1,835.43
  6. Step 6: Final answer
    x = 1,503.45

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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.