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Finding the Fourth Proportional to 2,930.04, 4,042.08 and 1,810.08

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Solution

The fourth proportional to 2,930.04, 4,042.08 and 1,810.08 is: 2,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.04 : 4,042.08 = 1,810.08 : x
  2. Step 2: Convert to fraction form
    2,930.04/4,042.08 = 1,810.08/x
  3. Step 3: Cross multiply
    2,930.04x = 4,042.08 × 1,810.08
  4. Step 4: Simplify right side
    2,930.04x = 7,316,488.17
  5. Step 5: Solve for x
    x = 7,316,488.17/2,930.04
  6. Step 6: Final answer
    x = 2,497.06

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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.