Home / 1,559.68-2,153.04-1,036.16

Finding the Fourth Proportional to 1,559.68, 2,153.04 and 1,036.16

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Solution

The fourth proportional to 1,559.68, 2,153.04 and 1,036.16 is: 1,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.68 : 2,153.04 = 1,036.16 : x
  2. Step 2: Convert to fraction form
    1,559.68/2,153.04 = 1,036.16/x
  3. Step 3: Cross multiply
    1,559.68x = 2,153.04 × 1,036.16
  4. Step 4: Simplify right side
    1,559.68x = 2,230,893.93
  5. Step 5: Solve for x
    x = 2,230,893.93/1,559.68
  6. Step 6: Final answer
    x = 1,430.35

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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.