Home / 1,585.47-2,378.57-1,124.13

Finding the Fourth Proportional to 1,585.47, 2,378.57 and 1,124.13

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Solution

The fourth proportional to 1,585.47, 2,378.57 and 1,124.13 is: 1,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.47 : 2,378.57 = 1,124.13 : x
  2. Step 2: Convert to fraction form
    1,585.47/2,378.57 = 1,124.13/x
  3. Step 3: Cross multiply
    1,585.47x = 2,378.57 × 1,124.13
  4. Step 4: Simplify right side
    1,585.47x = 2,673,821.89
  5. Step 5: Solve for x
    x = 2,673,821.89/1,585.47
  6. Step 6: Final answer
    x = 1,686.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.