Home / 1,607.23-2,216.73-1,358.16

Finding the Fourth Proportional to 1,607.23, 2,216.73 and 1,358.16

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Solution

The fourth proportional to 1,607.23, 2,216.73 and 1,358.16 is: 1,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.23 : 2,216.73 = 1,358.16 : x
  2. Step 2: Convert to fraction form
    1,607.23/2,216.73 = 1,358.16/x
  3. Step 3: Cross multiply
    1,607.23x = 2,216.73 × 1,358.16
  4. Step 4: Simplify right side
    1,607.23x = 3,010,674.02
  5. Step 5: Solve for x
    x = 3,010,674.02/1,607.23
  6. Step 6: Final answer
    x = 1,873.21

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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.