Home / 1,969.60-2,953.40-1,148.04

Finding the Fourth Proportional to 1,969.60, 2,953.40 and 1,148.04

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Solution

The fourth proportional to 1,969.60, 2,953.40 and 1,148.04 is: 1,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.60 : 2,953.40 = 1,148.04 : x
  2. Step 2: Convert to fraction form
    1,969.60/2,953.40 = 1,148.04/x
  3. Step 3: Cross multiply
    1,969.60x = 2,953.40 × 1,148.04
  4. Step 4: Simplify right side
    1,969.60x = 3,390,621.34
  5. Step 5: Solve for x
    x = 3,390,621.34/1,969.60
  6. Step 6: Final answer
    x = 1,721.48

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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.