Home / 1,831.50-2,527.65-1,045.56

Finding the Fourth Proportional to 1,831.50, 2,527.65 and 1,045.56

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Solution

The fourth proportional to 1,831.50, 2,527.65 and 1,045.56 is: 1,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.50 : 2,527.65 = 1,045.56 : x
  2. Step 2: Convert to fraction form
    1,831.50/2,527.65 = 1,045.56/x
  3. Step 3: Cross multiply
    1,831.50x = 2,527.65 × 1,045.56
  4. Step 4: Simplify right side
    1,831.50x = 2,642,809.73
  5. Step 5: Solve for x
    x = 2,642,809.73/1,831.50
  6. Step 6: Final answer
    x = 1,442.98

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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.