Home / 2,406.40-3,317.75-1,973.63

Finding the Fourth Proportional to 2,406.40, 3,317.75 and 1,973.63

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Solution

The fourth proportional to 2,406.40, 3,317.75 and 1,973.63 is: 2,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.40 : 3,317.75 = 1,973.63 : x
  2. Step 2: Convert to fraction form
    2,406.40/3,317.75 = 1,973.63/x
  3. Step 3: Cross multiply
    2,406.40x = 3,317.75 × 1,973.63
  4. Step 4: Simplify right side
    2,406.40x = 6,547,992.77
  5. Step 5: Solve for x
    x = 6,547,992.77/2,406.40
  6. Step 6: Final answer
    x = 2,721.07

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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.