Home / 1,717.24-2,386.23-1,699.40

Finding the Fourth Proportional to 1,717.24, 2,386.23 and 1,699.40

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Solution

The fourth proportional to 1,717.24, 2,386.23 and 1,699.40 is: 2,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.24 : 2,386.23 = 1,699.40 : x
  2. Step 2: Convert to fraction form
    1,717.24/2,386.23 = 1,699.40/x
  3. Step 3: Cross multiply
    1,717.24x = 2,386.23 × 1,699.40
  4. Step 4: Simplify right side
    1,717.24x = 4,055,159.26
  5. Step 5: Solve for x
    x = 4,055,159.26/1,717.24
  6. Step 6: Final answer
    x = 2,361.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.