Home / 1,897.86-2,618.95-1,058.65

Finding the Fourth Proportional to 1,897.86, 2,618.95 and 1,058.65

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Solution

The fourth proportional to 1,897.86, 2,618.95 and 1,058.65 is: 1,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.86 : 2,618.95 = 1,058.65 : x
  2. Step 2: Convert to fraction form
    1,897.86/2,618.95 = 1,058.65/x
  3. Step 3: Cross multiply
    1,897.86x = 2,618.95 × 1,058.65
  4. Step 4: Simplify right side
    1,897.86x = 2,772,551.42
  5. Step 5: Solve for x
    x = 2,772,551.42/1,897.86
  6. Step 6: Final answer
    x = 1,460.88

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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.