Home / 1,588.72-2,193.12-1,058.40

Finding the Fourth Proportional to 1,588.72, 2,193.12 and 1,058.40

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Solution

The fourth proportional to 1,588.72, 2,193.12 and 1,058.40 is: 1,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.72 : 2,193.12 = 1,058.40 : x
  2. Step 2: Convert to fraction form
    1,588.72/2,193.12 = 1,058.40/x
  3. Step 3: Cross multiply
    1,588.72x = 2,193.12 × 1,058.40
  4. Step 4: Simplify right side
    1,588.72x = 2,321,198.21
  5. Step 5: Solve for x
    x = 2,321,198.21/1,588.72
  6. Step 6: Final answer
    x = 1,461.05

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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.