Home / 2,931.04-4,042.56-1,883.20

Finding the Fourth Proportional to 2,931.04, 4,042.56 and 1,883.20

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Solution

The fourth proportional to 2,931.04, 4,042.56 and 1,883.20 is: 2,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.04 : 4,042.56 = 1,883.20 : x
  2. Step 2: Convert to fraction form
    2,931.04/4,042.56 = 1,883.20/x
  3. Step 3: Cross multiply
    2,931.04x = 4,042.56 × 1,883.20
  4. Step 4: Simplify right side
    2,931.04x = 7,612,948.99
  5. Step 5: Solve for x
    x = 7,612,948.99/2,931.04
  6. Step 6: Final answer
    x = 2,597.35

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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.