Home / 2,139.24-2,948.58-2,058.60

Finding the Fourth Proportional to 2,139.24, 2,948.58 and 2,058.60

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Solution

The fourth proportional to 2,139.24, 2,948.58 and 2,058.60 is: 2,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.24 : 2,948.58 = 2,058.60 : x
  2. Step 2: Convert to fraction form
    2,139.24/2,948.58 = 2,058.60/x
  3. Step 3: Cross multiply
    2,139.24x = 2,948.58 × 2,058.60
  4. Step 4: Simplify right side
    2,139.24x = 6,069,946.79
  5. Step 5: Solve for x
    x = 6,069,946.79/2,139.24
  6. Step 6: Final answer
    x = 2,837.43

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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.