Home / 3,980.04-5,969.70-1,058.24

Finding the Fourth Proportional to 3,980.04, 5,969.70 and 1,058.24

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Solution

The fourth proportional to 3,980.04, 5,969.70 and 1,058.24 is: 1,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.04 : 5,969.70 = 1,058.24 : x
  2. Step 2: Convert to fraction form
    3,980.04/5,969.70 = 1,058.24/x
  3. Step 3: Cross multiply
    3,980.04x = 5,969.70 × 1,058.24
  4. Step 4: Simplify right side
    3,980.04x = 6,317,345.48
  5. Step 5: Solve for x
    x = 6,317,345.48/3,980.04
  6. Step 6: Final answer
    x = 1,587.26

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1.5x scale

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.