Home / 1,504.60-2,076.18-841.36

Finding the Fourth Proportional to 1,504.60, 2,076.18 and 841.36

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Solution

The fourth proportional to 1,504.60, 2,076.18 and 841.36 is: 1,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.60 : 2,076.18 = 841.36 : x
  2. Step 2: Convert to fraction form
    1,504.60/2,076.18 = 841.36/x
  3. Step 3: Cross multiply
    1,504.60x = 2,076.18 × 841.36
  4. Step 4: Simplify right side
    1,504.60x = 1,746,814.80
  5. Step 5: Solve for x
    x = 1,746,814.80/1,504.60
  6. Step 6: Final answer
    x = 1,160.98

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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.