Home / 1,579.40-2,369.10-1,032.20

Finding the Fourth Proportional to 1,579.40, 2,369.10 and 1,032.20

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Solution

The fourth proportional to 1,579.40, 2,369.10 and 1,032.20 is: 1,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.40 : 2,369.10 = 1,032.20 : x
  2. Step 2: Convert to fraction form
    1,579.40/2,369.10 = 1,032.20/x
  3. Step 3: Cross multiply
    1,579.40x = 2,369.10 × 1,032.20
  4. Step 4: Simplify right side
    1,579.40x = 2,445,385.02
  5. Step 5: Solve for x
    x = 2,445,385.02/1,579.40
  6. Step 6: Final answer
    x = 1,548.30

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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.