Home / 1,727.08-2,386.41-1,357.00

Finding the Fourth Proportional to 1,727.08, 2,386.41 and 1,357.00

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Solution

The fourth proportional to 1,727.08, 2,386.41 and 1,357.00 is: 1,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.08 : 2,386.41 = 1,357.00 : x
  2. Step 2: Convert to fraction form
    1,727.08/2,386.41 = 1,357.00/x
  3. Step 3: Cross multiply
    1,727.08x = 2,386.41 × 1,357.00
  4. Step 4: Simplify right side
    1,727.08x = 3,238,368.37
  5. Step 5: Solve for x
    x = 3,238,368.37/1,727.08
  6. Step 6: Final answer
    x = 1,875.05

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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.