Home / 2,291.35-3,437.03-1,058.40

Finding the Fourth Proportional to 2,291.35, 3,437.03 and 1,058.40

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Solution

The fourth proportional to 2,291.35, 3,437.03 and 1,058.40 is: 1,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.35 : 3,437.03 = 1,058.40 : x
  2. Step 2: Convert to fraction form
    2,291.35/3,437.03 = 1,058.40/x
  3. Step 3: Cross multiply
    2,291.35x = 3,437.03 × 1,058.40
  4. Step 4: Simplify right side
    2,291.35x = 3,637,752.55
  5. Step 5: Solve for x
    x = 3,637,752.55/2,291.35
  6. Step 6: Final answer
    x = 1,587.60

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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.