Home / 2,307.54-3,459.90-921.08

Finding the Fourth Proportional to 2,307.54, 3,459.90 and 921.08

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Solution

The fourth proportional to 2,307.54, 3,459.90 and 921.08 is: 1,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.54 : 3,459.90 = 921.08 : x
  2. Step 2: Convert to fraction form
    2,307.54/3,459.90 = 921.08/x
  3. Step 3: Cross multiply
    2,307.54x = 3,459.90 × 921.08
  4. Step 4: Simplify right side
    2,307.54x = 3,186,844.69
  5. Step 5: Solve for x
    x = 3,186,844.69/2,307.54
  6. Step 6: Final answer
    x = 1,381.06

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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.