Home / 1,750.68-2,417.85-1,642.14

Finding the Fourth Proportional to 1,750.68, 2,417.85 and 1,642.14

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Solution

The fourth proportional to 1,750.68, 2,417.85 and 1,642.14 is: 2,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.68 : 2,417.85 = 1,642.14 : x
  2. Step 2: Convert to fraction form
    1,750.68/2,417.85 = 1,642.14/x
  3. Step 3: Cross multiply
    1,750.68x = 2,417.85 × 1,642.14
  4. Step 4: Simplify right side
    1,750.68x = 3,970,448.20
  5. Step 5: Solve for x
    x = 3,970,448.20/1,750.68
  6. Step 6: Final answer
    x = 2,267.95

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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.