Home / 1,717.02-2,369.46-971.19

Finding the Fourth Proportional to 1,717.02, 2,369.46 and 971.19

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Solution

The fourth proportional to 1,717.02, 2,369.46 and 971.19 is: 1,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.02 : 2,369.46 = 971.19 : x
  2. Step 2: Convert to fraction form
    1,717.02/2,369.46 = 971.19/x
  3. Step 3: Cross multiply
    1,717.02x = 2,369.46 × 971.19
  4. Step 4: Simplify right side
    1,717.02x = 2,301,195.86
  5. Step 5: Solve for x
    x = 2,301,195.86/1,717.02
  6. Step 6: Final answer
    x = 1,340.23

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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.