Home / 2,035.47-2,807.13-1,587.45

Finding the Fourth Proportional to 2,035.47, 2,807.13 and 1,587.45

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Solution

The fourth proportional to 2,035.47, 2,807.13 and 1,587.45 is: 2,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.47 : 2,807.13 = 1,587.45 : x
  2. Step 2: Convert to fraction form
    2,035.47/2,807.13 = 1,587.45/x
  3. Step 3: Cross multiply
    2,035.47x = 2,807.13 × 1,587.45
  4. Step 4: Simplify right side
    2,035.47x = 4,456,178.52
  5. Step 5: Solve for x
    x = 4,456,178.52/2,035.47
  6. Step 6: Final answer
    x = 2,189.26

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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.