Home / 2,897.18-4,343.04-948.02

Finding the Fourth Proportional to 2,897.18, 4,343.04 and 948.02

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Solution

The fourth proportional to 2,897.18, 4,343.04 and 948.02 is: 1,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.18 : 4,343.04 = 948.02 : x
  2. Step 2: Convert to fraction form
    2,897.18/4,343.04 = 948.02/x
  3. Step 3: Cross multiply
    2,897.18x = 4,343.04 × 948.02
  4. Step 4: Simplify right side
    2,897.18x = 4,117,288.78
  5. Step 5: Solve for x
    x = 4,117,288.78/2,897.18
  6. Step 6: Final answer
    x = 1,421.14

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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.