Home / 1,301.36-1,948.47-888.45

Finding the Fourth Proportional to 1,301.36, 1,948.47 and 888.45

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Solution

The fourth proportional to 1,301.36, 1,948.47 and 888.45 is: 1,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.36 : 1,948.47 = 888.45 : x
  2. Step 2: Convert to fraction form
    1,301.36/1,948.47 = 888.45/x
  3. Step 3: Cross multiply
    1,301.36x = 1,948.47 × 888.45
  4. Step 4: Simplify right side
    1,301.36x = 1,731,118.17
  5. Step 5: Solve for x
    x = 1,731,118.17/1,301.36
  6. Step 6: Final answer
    x = 1,330.24

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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.