Home / 2,301.36-3,448.40-1,312.35

Finding the Fourth Proportional to 2,301.36, 3,448.40 and 1,312.35

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Solution

The fourth proportional to 2,301.36, 3,448.40 and 1,312.35 is: 1,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.36 : 3,448.40 = 1,312.35 : x
  2. Step 2: Convert to fraction form
    2,301.36/3,448.40 = 1,312.35/x
  3. Step 3: Cross multiply
    2,301.36x = 3,448.40 × 1,312.35
  4. Step 4: Simplify right side
    2,301.36x = 4,525,511.33
  5. Step 5: Solve for x
    x = 4,525,511.33/2,301.36
  6. Step 6: Final answer
    x = 1,966.45

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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.