Home / 841.14-1,261.76-293.49

Finding the Fourth Proportional to 841.14, 1,261.76 and 293.49

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Solution

The fourth proportional to 841.14, 1,261.76 and 293.49 is: 440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.14 : 1,261.76 = 293.49 : x
  2. Step 2: Convert to fraction form
    841.14/1,261.76 = 293.49/x
  3. Step 3: Cross multiply
    841.14x = 1,261.76 × 293.49
  4. Step 4: Simplify right side
    841.14x = 370,312.47
  5. Step 5: Solve for x
    x = 370,312.47/841.14
  6. Step 6: Final answer
    x = 440.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.