Home / 1,831.08-2,527.02-1,045.20

Finding the Fourth Proportional to 1,831.08, 2,527.02 and 1,045.20

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Solution

The fourth proportional to 1,831.08, 2,527.02 and 1,045.20 is: 1,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.08 : 2,527.02 = 1,045.20 : x
  2. Step 2: Convert to fraction form
    1,831.08/2,527.02 = 1,045.20/x
  3. Step 3: Cross multiply
    1,831.08x = 2,527.02 × 1,045.20
  4. Step 4: Simplify right side
    1,831.08x = 2,641,241.30
  5. Step 5: Solve for x
    x = 2,641,241.30/1,831.08
  6. Step 6: Final answer
    x = 1,442.45

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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.