Home / 1,372.47-2,058.98-1,130.01

Finding the Fourth Proportional to 1,372.47, 2,058.98 and 1,130.01

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Solution

The fourth proportional to 1,372.47, 2,058.98 and 1,130.01 is: 1,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.47 : 2,058.98 = 1,130.01 : x
  2. Step 2: Convert to fraction form
    1,372.47/2,058.98 = 1,130.01/x
  3. Step 3: Cross multiply
    1,372.47x = 2,058.98 × 1,130.01
  4. Step 4: Simplify right side
    1,372.47x = 2,326,662.34
  5. Step 5: Solve for x
    x = 2,326,662.34/1,372.47
  6. Step 6: Final answer
    x = 1,695.24

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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.