Home / 1,541.30-2,124.58-1,354.47

Finding the Fourth Proportional to 1,541.30, 2,124.58 and 1,354.47

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Solution

The fourth proportional to 1,541.30, 2,124.58 and 1,354.47 is: 1,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.30 : 2,124.58 = 1,354.47 : x
  2. Step 2: Convert to fraction form
    1,541.30/2,124.58 = 1,354.47/x
  3. Step 3: Cross multiply
    1,541.30x = 2,124.58 × 1,354.47
  4. Step 4: Simplify right side
    1,541.30x = 2,877,683.01
  5. Step 5: Solve for x
    x = 2,877,683.01/1,541.30
  6. Step 6: Final answer
    x = 1,867.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.