Home / 1,712.10-2,566.94-1,386.75

Finding the Fourth Proportional to 1,712.10, 2,566.94 and 1,386.75

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Solution

The fourth proportional to 1,712.10, 2,566.94 and 1,386.75 is: 2,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.10 : 2,566.94 = 1,386.75 : x
  2. Step 2: Convert to fraction form
    1,712.10/2,566.94 = 1,386.75/x
  3. Step 3: Cross multiply
    1,712.10x = 2,566.94 × 1,386.75
  4. Step 4: Simplify right side
    1,712.10x = 3,559,697.11
  5. Step 5: Solve for x
    x = 3,559,697.11/1,712.10
  6. Step 6: Final answer
    x = 2,079.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.