Home / 1,301.04-1,941.12-1,239.12

Finding the Fourth Proportional to 1,301.04, 1,941.12 and 1,239.12

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Solution

The fourth proportional to 1,301.04, 1,941.12 and 1,239.12 is: 1,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.04 : 1,941.12 = 1,239.12 : x
  2. Step 2: Convert to fraction form
    1,301.04/1,941.12 = 1,239.12/x
  3. Step 3: Cross multiply
    1,301.04x = 1,941.12 × 1,239.12
  4. Step 4: Simplify right side
    1,301.04x = 2,405,280.61
  5. Step 5: Solve for x
    x = 2,405,280.61/1,301.04
  6. Step 6: Final answer
    x = 1,848.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.