Home / 1,541.52-2,128.08-1,070.24

Finding the Fourth Proportional to 1,541.52, 2,128.08 and 1,070.24

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Solution

The fourth proportional to 1,541.52, 2,128.08 and 1,070.24 is: 1,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.52 : 2,128.08 = 1,070.24 : x
  2. Step 2: Convert to fraction form
    1,541.52/2,128.08 = 1,070.24/x
  3. Step 3: Cross multiply
    1,541.52x = 2,128.08 × 1,070.24
  4. Step 4: Simplify right side
    1,541.52x = 2,277,545.70
  5. Step 5: Solve for x
    x = 2,277,545.70/1,541.52
  6. Step 6: Final answer
    x = 1,477.47

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1.5x scale

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.