Home / 2,216.11-3,058.18-1,430.16

Finding the Fourth Proportional to 2,216.11, 3,058.18 and 1,430.16

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Solution

The fourth proportional to 2,216.11, 3,058.18 and 1,430.16 is: 1,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.11 : 3,058.18 = 1,430.16 : x
  2. Step 2: Convert to fraction form
    2,216.11/3,058.18 = 1,430.16/x
  3. Step 3: Cross multiply
    2,216.11x = 3,058.18 × 1,430.16
  4. Step 4: Simplify right side
    2,216.11x = 4,373,686.71
  5. Step 5: Solve for x
    x = 4,373,686.71/2,216.11
  6. Step 6: Final answer
    x = 1,973.59

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1.5x scale

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.