Home / 1,721.89-2,376.24-1,058.95

Finding the Fourth Proportional to 1,721.89, 2,376.24 and 1,058.95

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Solution

The fourth proportional to 1,721.89, 2,376.24 and 1,058.95 is: 1,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.89 : 2,376.24 = 1,058.95 : x
  2. Step 2: Convert to fraction form
    1,721.89/2,376.24 = 1,058.95/x
  3. Step 3: Cross multiply
    1,721.89x = 2,376.24 × 1,058.95
  4. Step 4: Simplify right side
    1,721.89x = 2,516,307.47
  5. Step 5: Solve for x
    x = 2,516,307.47/1,721.89
  6. Step 6: Final answer
    x = 1,461.37

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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.