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Finding the Fourth Proportional to 1,804.66, 2,490.95 and 1,058.65

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Solution

The fourth proportional to 1,804.66, 2,490.95 and 1,058.65 is: 1,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.66 : 2,490.95 = 1,058.65 : x
  2. Step 2: Convert to fraction form
    1,804.66/2,490.95 = 1,058.65/x
  3. Step 3: Cross multiply
    1,804.66x = 2,490.95 × 1,058.65
  4. Step 4: Simplify right side
    1,804.66x = 2,637,044.22
  5. Step 5: Solve for x
    x = 2,637,044.22/1,804.66
  6. Step 6: Final answer
    x = 1,461.24

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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.