Home / 1,130.04-1,686.26-1,007.46

Finding the Fourth Proportional to 1,130.04, 1,686.26 and 1,007.46

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Solution

The fourth proportional to 1,130.04, 1,686.26 and 1,007.46 is: 1,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.04 : 1,686.26 = 1,007.46 : x
  2. Step 2: Convert to fraction form
    1,130.04/1,686.26 = 1,007.46/x
  3. Step 3: Cross multiply
    1,130.04x = 1,686.26 × 1,007.46
  4. Step 4: Simplify right side
    1,130.04x = 1,698,842.02
  5. Step 5: Solve for x
    x = 1,698,842.02/1,130.04
  6. Step 6: Final answer
    x = 1,503.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.