Home / 1,717.19-2,370.10-971.18

Finding the Fourth Proportional to 1,717.19, 2,370.10 and 971.18

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Solution

The fourth proportional to 1,717.19, 2,370.10 and 971.18 is: 1,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.19 : 2,370.10 = 971.18 : x
  2. Step 2: Convert to fraction form
    1,717.19/2,370.10 = 971.18/x
  3. Step 3: Cross multiply
    1,717.19x = 2,370.10 × 971.18
  4. Step 4: Simplify right side
    1,717.19x = 2,301,793.72
  5. Step 5: Solve for x
    x = 2,301,793.72/1,717.19
  6. Step 6: Final answer
    x = 1,340.44

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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.